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Q. 24

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Physics for Scientists and Engineers: A Strategic Approach with Modern Physics
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Short Answer

FIGURE EX32.24 shows voltage and current graphs for an inductor.

a. What is the emf frequency ?

b. What is the value of the inductance ?

a. The emf frequency

b. The inductance

See the step by step solution

Step by Step Solution

Part a) Step 1 : Given information 

We have been given that

Time period of emf is

We have to find emf frequency by using the voltage and current graph .

Step 2 : Detailed solution 

As we know,

Emf frequency is the number of oscillations in voltage in one second

Part b) Step 1 : Given information 

We have been given that

Peak voltage

Peak current

We need to find out the inductance of the inductor using graph and given values .

Step 2 : Detailed Solution

As we know ,

Inductive Reactance ;

Also we know that , is angular frequency of current

Thus, this is the value of inductance.

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