The working of a meter is based on the use of a permanent magnet. In order to protect the meter functioning from stray magnetic fields

Related MCQs

• A rectangular magnet of magnetic moment M is cut into two piece of same length, the magnetic moment of each piece will be
• The stray line of magnetic flux is defined as
• A permanent magnet
• The electromagnet has 50 turns and a current of 1A flows through the coil. If the length of the magnet circuit is 200 mm, what is the magnetic field strength ?
• In a simple magnetic field the strength of magnet flux
• If a copper disc is rotated rapidly below a freely suspended magnetic needle, the magnetic needle shall start rotating with a velocity
• What will be the magnetic potential difference across the air gap of 2 cm length in magnetic field of 200 AT/m ?
• How does the magnetic compass needle behave in a magnetic field ?
• While comparing magnetic and electric circuits, the flux of magnetic circuit is compared with which parameter of electrical circuit ?
• When a magnet is in motion relative to a coil the induced e.m.f. does not depend upon