WorksheetsEnergy,Power and power sources
Total questions: 12
Worksheet time: 2mins
Which among the following is a unit for electrical energy?
V(volt)
kWh(kilowatt-hour)
Ohm
C(coloumb)
A bulb has a power of 200W. What is the energy dissipated by it in 5 minutes?
60J
1000J
60kJ
1kJ
Out of the following, which one is not a source of electrical energy?
Solar cell
Battery
Potentiometer
Generator
Watt is equal to one
joule per second
meter per second
ampere per second
farad per second
(Electrical energy/time) is equal to
potential difference
flow of light
flow of heat
electric power
Pick the incorrect statement among the following
Inductor is a passive element
Current source is an active element
Resistor is a passive element
Voltage source is a passive element
In case of ideal current sources, they have
zero internal resistance
low value of voltage
large value of currrent
infinite internal resistance
An ideal voltage source has
Zero internal resistance
Infinite internal resistance
A load-dependent voltage
A load-dependent current
The voltage out of an ideal voltage source
Is zero
Is constant
Depends on the value of load resistance
Depends on the internal resistance
The current out of an ideal current source
Is zero
Is constant
Depends on the value of load resistance
Depends on the internal resistance
Identify the above symbol.
DC voltage source
battery
AC voltage source
Controlled current source
Identify the symbol.
voltage source
controlled current source
battery
current source
