Test: AC Generator - NEET MCQ

# Test: AC Generator - NEET MCQ

Test Description

## 5 Questions MCQ Test Physics Class 12 - Test: AC Generator

Test: AC Generator for NEET 2024 is part of Physics Class 12 preparation. The Test: AC Generator questions and answers have been prepared according to the NEET exam syllabus.The Test: AC Generator MCQs are made for NEET 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: AC Generator below.
Solutions of Test: AC Generator questions in English are available as part of our Physics Class 12 for NEET & Test: AC Generator solutions in Hindi for Physics Class 12 course. Download more important topics, notes, lectures and mock test series for NEET Exam by signing up for free. Attempt Test: AC Generator | 5 questions in 10 minutes | Mock test for NEET preparation | Free important questions MCQ to study Physics Class 12 for NEET Exam | Download free PDF with solutions
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Test: AC Generator - Question 1

### The factor, on which the frequency of an AC generator depends,

Detailed Solution for Test: AC Generator - Question 1

The answer provided in the forum is wrong, the correct answer would be option B and D both.
Solution:
Frequency of a.c, ν=w/2π​, where  w is the speed of rotation
Also, frequency is defined as the number of rotations that a coil rotates in one second.

Test: AC Generator - Question 2

### AC generator produces

Detailed Solution for Test: AC Generator - Question 2

Generator is a device that converts mechanical energy to electrical energy for use in an external circuit.

Test: AC Generator - Question 3

### Which of the following is used to determine the direction of induced current in a generator?

Detailed Solution for Test: AC Generator - Question 3

Fleming's Right hand rule: Hold a current-carrying conductor in your right hand with thumb in the direction of the current, the direction of the field lines will be the direction of your fingers.

Test: AC Generator - Question 4

Efficiency of electric motor is always less than

Detailed Solution for Test: AC Generator - Question 4

Electric motors have an efficiency of less than 100% because there is ALWAYS energy loss through any mechanism imaginable.

Test: AC Generator - Question 5

Induced e.m.f is given by it will be maximum when ,

Detailed Solution for Test: AC Generator - Question 5

The rate of change of flux linkage is directly proportional to the induced EMF in a coil. Hence, the EMF is maximum when the rate of change of flux linkage is maximum.

## Physics Class 12

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## Physics Class 12

105 videos|414 docs|114 tests

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