College Physics: A Strategic Approach (4th Edition)

Chapter 23

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The Ohm's law is given by,Where , is current, is ... more

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Diagrams , and . ; In the diagrams , and , the ... more

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According to Kirchhoff's voltage law, the total ... more

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Bulb is connected to the same voltage source and ... more

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In the circuit, the ammeter is connected in ... more

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Current from the battery goes directly through the... more

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Both the capacitors are connected in parallel.... more

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For an circuit, the time constant is given by the... more

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When the thickness of the myelin sheath increases... more

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Brightness of the bulb increases. ; Before ... more

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Remains the same. ; The resistances are connected ... more

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.As , in the series connection, current () will ... more

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; In the parallel connection, voltage will remain... more

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The circuit where resistors are in series with the... more

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  ; The current entering a junction is equal to ... more

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Bulb will glow and bulb will not.The current ... more

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Greater than .In a series combination, the ... more

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Less than .In parallel combination, the equivalent... more

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and are in parallel combination, so equivalent ... more

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AB, C ; Let each bulb have resistance R. There are... more

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DCA, B ; Let be the current coming from the ... more

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AB,C,D,E ; Let each bulb have resistance R. Bulbs ... more

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Bulbs and are of equal brightness.The same ... more

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; Both resistors are parallel. Potential ... more

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Becomes zeroAn ideal wire has zero resistance, so ... more

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It is observed that all capacitors are connected ... more

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The relation between instantaneous voltage and ... more

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Capacitor in circuit will discharge fast.As the ... more

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First student.As time constant is directly ... more

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Adding moisture will increase the charging and ... more

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The energy for propagation is directly ... more

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Let be the current through the circuit.To find ... more

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Power dissipated by the resistor is given by Let ... more

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The power dissipated by the bulb bulb is given by... more

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The relation between resistance and length is ... more

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Let current through the resistor is . According ... more

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 Time constant for a given circuit is .Relation ... more

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Resistance is inversely proportional to area of ... more

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Resistance is inversely proportional to the area ... more

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Signal propagation speed of the axon is given by... more

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; A circuit is connected to a power source, here ... more

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; A circuit is connected to a power source, here ... more

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; and are in parallel.Others are in series with ... more

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Since current flows towards the junction, the ... more

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;  Let the voltage drop across a resistor is ... more

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; The current through the circuit is , from the ... more

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Parallel connection ; Equivalent resistance in a ... more

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; When the resistances are connected in parallel... more

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Connect the three resistors in parallel with ... more

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and ; Use Ohm's law to find the equivalent ... more

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; Three resistors are in parallel combination. ... more

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; and are in parallel connection. Let be the ... more

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; and are in series connection. So, the total ... more

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, , , ; Three resistances can be connected in ... more

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13.3 mA ; According to Kirchhoff's Voltage Law, ... more

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; Three resistors are in series. So the total ... more

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, ; The potential difference across each branch is... more

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; Using Kirchoff's junction law, the total ... more

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I = 0.50 AV1 = 6 VI1 = 0.3 AV2 = 6 VI2 = 0.2 AV3... more

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Current and potential difference across parallel ... more

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near the batteryI = 1 AV = 5 Vnear the batteryI1... more

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; Consider the circuit from the right side. It is... more

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 Resistor Current Potential difference     ; Let I... more

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; Apply Kirchoff's junction law at each node. So... more

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 Resistor Current Potential difference     ;  ... more

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; Let be the current through the circuit when ... more

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; If three capacitors are connected parallelly, ... more

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; Equivalent capacitance in a series connection ... more

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Connect a capacitor in parallel with . ; If two ... more

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37 F ; and are connected in series. Equivalent ... more

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; From the circuit diagram it can be seen that ... more

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8.89 ; is in parallel connection with . Let C be ... more

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; The two resistors are in series connection. ... more

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; Two resistance are in parallel connection. ... more

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; Let be the time constant. . R is the total ... more

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6.93 ms ; Let be the time constant.  = RC. R is ... more

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12.3 V ; The time constant is given by where R ... more

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The electric field before action potential is ... more

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; The capacitance of the cell membrane is given ... more

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; Conduction speed is given by .  is the spacing ... more

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; Time constant is equal to the product of ... more

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20 m/s. ; Signal speed is directly proportional to... more

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Power dissipated by the resistor is approximately... more

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Power dissipated by each bulb is the same and ... more

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; Let be the current from the battery and as the... more

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Power dissipated by is Power dissipated by is ; ... more

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; It is observed that resistors , are in series... more

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; There are three branches of connections present... more

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; Let be the value of resistances in each ... more

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; The current flowing through the circuit can be ... more

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; Full scale reading of the ammeter is given as... more

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 Resistor value Current   Potential difference  ; ... more

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across capacitor across both the capacitors ; ... more

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7.89 V ; When the switch is in position a ... more

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; Initial capacitor voltage is .The capacitance ... more

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6.25 x 1016 ; The action potential is driven by ... more

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; The capacitance of the axon can be found using ... more

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Charged capacitor and torso behave like an ... more

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Time constant is the product of resistance and ... more

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According to Ohm's law if resistance increases ... more

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As time constant is directly proportional to  ... more

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Let the voltage developed by each electrolyte is ... more

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the current of the pulse produced by the electric ... more

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Low resistivity so the resistance is also low. ... more

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Number of cells in the fish body can be increased ... more

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