Which
one of the following is a device that lets current flow in only one direction?
NTS
PST (B) -------2021
a) Transistor
b) Capacitor
c) Resister
d) Diode
A………is a device with three terminals.
a) Resistor
b) Transistor
c) Reluctance
d) Capacitors
The current which flow only in one direction is
called………..
a) Direct current (DC)
b) Alternative current (AC)
c) both a and b
d) none of these
The current which change the direction is called
NTS PST –P-2----(date not confirm)
a) Direct current (DC)
b) Alternative current (AC)
c) both a and b
d) none of these
The component which converts A.C into DC is called………. NTS PST 15/12/2019 (8:30),
PET----- 24/08/2019
a) inverter
b) rectifier
c) semiconductor
d) none of these
The resistance of a conductor varies inversely as
a) Length
b) Area of cross-section
c) Temperature
d) Resistivity
