Multiple Choice Questions (MCQs)
Lakhmir Singh Physics Solutions for Exercise - Multiple Choice Questions (MCQs)
Simple step-by-step solutions to Multiple Choice Questions (MCQs) questions of Magnetic Effect of Electric Current from Science for Tenth Class Part - 1 Physics. Also get 3D topic explainers, cheat sheets, and unlimited doubts solving on EMBIBE.
Questions from Multiple Choice Questions (MCQs) with Hints & Solutions
A rectangular coil of copper wire is rotated in a magnetic field. The direction of induced current changes once in each:
The device used for producing electric current is called a:
The essential difference between an AC generator and a DC generator is that:
When the switch S is closed in the figure given below, the pointer of the galvanometer moves to the right.
If S is kept closed, the pointer will:
Each one of the following changes will increase emf (or voltage) in a simple generator except:
The north pole of a long bar magnet was pushed slowly into a short solenoid connected to a galvanometer. The magnet was held stationary for a few seconds with the north pole in the middle of the solenoid and then withdrawn rapidly. The maximum deflection of the galvanometer was observed when the magnet was:
The frequency of direct current (d.c.) is:
The frequency of alternating current (a.c.) supply in India is:
