EASY
10th CBSE
IMPORTANT
Earn 100

The back emf of an electric motor is greatest, when the motor is:

57.14% studentsanswered this correctly

Important Questions on Magnetic Effects of Electric Current

EASY
10th CBSE
IMPORTANT
ESSENTIALS OF PHYSICS CLASS X>Chapter 4 - Magnetic Effects of Electric Current>Value Based Questions>Q 23
An electron moves up the page along the plane of paper and crosses a perpendicular magnetic field, which is acting along the plane of paper from left to right. The direction of the magnetic force experienced by an electron is:
EASY
10th CBSE
IMPORTANT
ESSENTIALS OF PHYSICS CLASS X>Chapter 4 - Magnetic Effects of Electric Current>Value Based Questions>Q 24
The electromagnetic induction phenomenon is the process of:
EASY
10th CBSE
IMPORTANT
ESSENTIALS OF PHYSICS CLASS X>Chapter 4 - Magnetic Effects of Electric Current>Value Based Questions>Q 25
An electric generator converts _______ energy into ______ energy.
EASY
10th CBSE
IMPORTANT
ESSENTIALS OF PHYSICS CLASS X>Chapter 4 - Magnetic Effects of Electric Current>Value Based Questions>Q 26
An electric generator actually acts as:
EASY
10th CBSE
IMPORTANT
ESSENTIALS OF PHYSICS CLASS X>Chapter 4 - Magnetic Effects of Electric Current>Value Based Questions>Q 27
Electromagnetic induction is involved in:
EASY
10th CBSE
IMPORTANT
ESSENTIALS OF PHYSICS CLASS X>Chapter 4 - Magnetic Effects of Electric Current>Value Based Questions>Q 28
At the short-circuit, the current in the circuit:
EASY
10th CBSE
IMPORTANT
ESSENTIALS OF PHYSICS CLASS X>Chapter 4 - Magnetic Effects of Electric Current>Value Based Questions>Q 29
The magnetic field near a long straight wire consists of:
EASY
10th CBSE
IMPORTANT
ESSENTIALS OF PHYSICS CLASS X>Chapter 4 - Magnetic Effects of Electric Current>Value Based Questions>Q 30
Electric motor is used as an important component of: