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Chapter 32: Q. 6 (page 924)

A 200 Ω resistor is connected to an AC source with ε0=10 V. What is the peak current through the resistor if the emf frequency is (a) 100 Hz? (b) 100 kHz?

Short Answer

Expert verified

result is:Io=50mA

Step by step solution

01

Part(a) Step 1 : Given information

R=200Ω

εo=10V

Frequency =100Hz

02

Part (a) Step 2: Simplify 

Peak current is given byI=εoR,does not depend upon frequency

Io=εoR

Io=10V200Ω

Io=0.05A⇒50mA

03

Part(b) Step 1 : Given information

R=200Ω

εo=10V

Frequency=100 kHz

04

Part (b) Step 2: Simplify 

Peak current is given by I=εoR,does not depend upon frequency

I0=εoR

Io=10V200Ω

Io=0.05A⇒50mA

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