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Chapter 32: Q. 6 (page 924)

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

Short Answer

Expert verified

Result is:

Io=0.05A⇒50mA

Step by step solution

01

Part(a) Step 1: Given information

We have been given thatR=200Ωandεo=10V

02

Part(a) Step 2: Simplify

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

Io=εoR

Io=10V200Ω

Io=0.05A⇒50mA

03

Part(b) Step 1: Given information

We have been given thatR=200Ωandεo=10V

04

Part(b) Step 2: simplify

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

Io=10V200Ω

Io=0.05A⇒50mA

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A television channel is assigned the frequency range from 54mHZto 60mHZ. A series RLC tuning circuit in a TV receiver resonates in the middle of this frequency range. The circuit uses a 16pFcapacitor.

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the peak volt-age at 250kHZis 2.2V.

a. What is the capacitance?

b. If the peak voltage is held constant, what is the peak current at 500kHZ?

An inductor is connected to a 15kHzoscillator. The peak current is 65mA when the rms voltage is 6.0V. What is the value of the inductance L?

What areVRand VCif the emf frequency in FIGURE is 10kHz?

An inductor is connected to a 15KHzoscillator. The peak current is 65mAwhen the rms voltage is width="36">6.0V. What is the value of the inductance L?
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