Related Questions

Direct conversion of chemical energy into electrical energy is done in a
A Magnetohydrodynamic (MHD) generator
B Fuel cell
C Fast breeder reactor
D None of these
Conversion of chemical energy into electrical energy occurs in
A Atomic bombs
B Dynamo
C A battery
D Electric heaters
Which of the following is an example of the conversion of electrical energy into mechanical energy?
A electric fan
B flashlight
C iron
D television
A loudspeaker is an instrument ................. electrical energy into sound energy.
A who is transforming
B which transforms
C transformed
D that
The device which converts sound energy into electrical energy is called
A Amplifier
B Speaker
C Microphone
D Transmitter
Direct conversion of heat into electrical energy is possible through
A fuel cells
B solar cells
C MHD generators
D none of the above
Direct conversion of thermal energy to electrical energy is facilitated by the
A Fuel cells
B Photo voltaic cell
C Magneto hydrodynamic generator
D None of these
The component that forms the electrical connection between the rotating coil of wire in a motor and the external source of electrical energy is called the:
A rotor
B armature
C battery
D commutator
E None of the above
Pick out the wrong conversion formula for the conversion of weight units :
A 1 tonne = 1000 kg = 22.046 lbs
B 1 U.S. ton = 907 kg = 0.907 tonne = 0.893 ton
C 1 ton = 2240 lbs = 1016 kg = 1.016 tonnes = 1.12 U.S. tons
D None of these
To insure that everyone understands what the electrical symbols represent it is customary to include a ________ on the electrical sheet.
A List
B Part number
C Electrical legend
D Electrical layer

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