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Worksheetselectrical science
Total questions: 10
Worksheet time: 5mins
definition of current?
flow of newtrons
flow of electrons
flow of protons
none
function of motor is.........
convert mechanical energy into electrical
convert chemical energy into electrical
convert electrical energy into mechanical
none
function of generator is.......
convert electrical energy into mechanical
convert mechanical energy into electrical
convert chemical energy into mechanical
convert kinetic energy into potential
Ohm's law is not applicable to
semi conductors
DC circuits
small resistors
high currents
A closed switch has a resistance of ...
0
50ohms
500 ohms
infinity
A CRO is a
cathode Ray oscillator
cathode ray oscilloscope
capacitor-resistor oscillator
capacitor-resistor output
A DC voltage........
rise and falls
is a sine wave
remains constant
is an audio waveform
The property of a conductor due to which it passes current is called
resistance
reluctance
conductance
Inductance
the number of electrons in the outer most orbit of carbon atom is
3
4
6
7
which of the following circuit breaker is used in the Railway electrification
SF6 circuit breaker
air blast circuit breaker
bulk oil circuit breaker
minimum oil circuit breaker
