Which of the following are found in the receiver but not in the microphone of a telephone handset?

i. Diaphragm.
ii. soft iron pole pieces.
iii. permanent magnet.
iv.carbon blocks

Similar Questions

A pulse of a sound is transmitted from a ship and the reflection from the sea bed is recorded after ...

A particle starts from rest and moves with a constant acceleration of 0.5 ms-2? Calculate the time t...

When a person holds a negatively charges metal rod and stands bare-footed on the ground, how will th...

Calculate the effective capacitance of the circuit in the diagram given ...

The instrument used in the measurement of atmospheric pressure is? ...

A body moving with uniform acceleration has two points(5, 15) and (20, 60) on the velocity-times gra...

A dam is able to hold a large quantity of water because its wall is ...

Which of these statements are TRUE of pressure in liquids? i. pressure acts equally in all direct...

Light of energy 5.0 eV falls on a metal of work function 3.0 eV and electrons are emitted, determine...

blowing air over a liquid aids evaporation by ...