An electric LED bulb might be rated as………W.
a) 12
b) 220
c) 440
d) 2000
A typical hair
dryer might be rated as……..W.
a) 120
b) 220
c) 440
d) 2000
Electric Safety Devices:
Which of the
following is/are used for safe use of electric appliances?
a) fuses
b) circuit
breaker
c) earthing
d) all of these
Which of the following is present in fuse?
a) resistor
b) amplifier
c) thin metal wire
d) all of these
Which of the following is/are used instead of fuses for the safe use of electric appliances?
a) conductor
b) circuit breaker
c) capacitor
d) all of these
Explanation:A circuit breaker is an electrical safety device designed to protect an electrical circuit from damage caused by an overcurrent or short circuit.
by at 2025-04-08 21:29:58