Recent questions tagged employed

Explain magnetic effect employed in measuring instrument.

Description : Explain magnetic effect employed in measuring instrument.

Last Answer : Magnetic Effect:  I) In PMMC meters:  ➢ When a current is passed through a conductor, magnetic field is produced round the conductor. Due to this field when current ... field it experiences a mechanical force.  Examples: Electrodynamometer type instruments, Induction type instrument. 

List any four effects employed in measuring instruments.

Description : List any four effects employed in measuring instruments.

Last Answer : Effects Employed in Measuring Instruments: 1. Magnetic Effect 2. Electromagnetic induction 3. Heating effect 4. Electrostatic effect 5. Hall Effect 

Reflector mirrors employed for exploiting solar energy are called the

Description : Reflector mirrors employed for exploiting solar energy are called the  (1) Mantle (2) Heliostats (3) Diffusers (4) Ponds

Last Answer : Reflector mirrors employed for exploiting solar energy are called the Heliostats

In A.C. series motor compensating winding is employed to?

Last Answer : In A.C. series motor compensating winding is employed to reduce sparking at the brushes.

Oil switches are employed for?

Last Answer : Oil switches are employed for high voltages and large currents circuits.

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