Home
Class 12
PHYSICS
A device which converts low ac voltage a...

A device which converts low ac voltage at high current into high ac voltage at low current is

A

electrochemical cell

B

photo cell

C

transformer

D

rectifier

Text Solution

Verified by Experts

Promotional Banner

Similar Questions

Explore conceptually related problems

Name a device which converts AC to DC.

A diode converts A.C. voltage into a /an

Where is high tide and low tide caused ?

An electrical element X when connected to an alternating voltage source has current through it leading the voltage by pi/2 radian. Identify X and write an expression for its reactance.

When a voltage measuring device is connected to ac mains, the meter shows the steady input voltage of 220 V.This means

Show that in an AC circuit containing a pure inductor,the voltage is ahead of current by pi/2 in phase.

What will be the phase difference between virtual voltage and virtual current, when the current in the circuit is wattless

The collector supply voltage is 6 V and the voltage drop across a resistor of 600 Omega in the collector circuit is 0.6 V in a transistor connected in common emitter mode. If the current gain is 20, the base current is

A device Y is connected across an AC source of emf e = e_osinomegat .the current through y is given as i = i _osin(omegat+(pi/2)) :-Draw graphs showinh variation of emf and current with time over one cycle of AC for Y.

A device Y is connected across an AC source of emf e = e_osinomegat .the current through y is given as i = i _osin(omegat+(pi/2)) :-Identify the device Y and write the expression for its reactance.