Exercise
Embibe Experts Science Solutions for Exercise
Simple step-by-step solutions to Exercise questions of Magnetic Effects of Electric Current from Science Crash Course (Based on Revised Syllabus-2023). Also get 3D topic explainers, cheat sheets, and unlimited doubts solving on EMBIBE.
Questions from Exercise with Hints & Solutions
In an electric motor, the direction of current in the coil changes once in each:
The part of the AC generator that passes the current from the armature coil to the external circuit is
Which of the following will not affect the magnitude of voltage developed in a typical generator?
When an generator is connected to an electric device, how many times does the current in the device change direction in revolutions of the armature?
A generator with commutator produces _____ (direct/alternating) current.
_____ (AC/ DC) generators are used in power stations to generate electricity that is supplied to homes, factories, etc.
A _____ (galvanometer/ voltmeter) is a device that can detect the presence of an electric current in a circuit.
The domestic electricity in India is an AC with a frequency of _____ .
