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M.P.ELECTRICITY
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Electricity is a form of energy that we can not do without.
Choose the correct answer.
Q.1. The Voltage of our domestic power supply should be of
(A) 210 Volts (B) 110 Volts (C) 220 Volts
Ans. (C) 220 Volts
Q.2. Electrical force measured in Volts is called –
(A) Voltameter (B) voltage (C) Voltaic
Ans. (B) voltage
Q.3. A network of electric supply wires connecting a power station is called a
(A) Grid (B) Web (C) Highway
Ans. (A) Grid
Q.4. A machine that turns some kind of power into electricity is a –
(A) Dynamo (B) Appliance (C) Electromagnet
Ans. (A) Dynamo
Q.5. The place where electricity force is changed from one voltage to another is a –
(A) Transformer (B) Substation (C) Relay room
Ans. (B) Substation
Q.6. The tall structure of steel bars that supports wires and cables carrying high voltage current is called –
(A) Pylon (B) Tower (C) Iron stand
Ans. (A) Pylon
Q.7. The flow of electrons through a conductor is called –
(A) Current (B) Insulator (C) Appliance
Ans. (A) Current
Q.8. Electricity is produced in a power station when the pressure of water or stream turns an engine or motor . what is this motor called ?
(A) Turbine (B) Cable (C) Reactor
Ans. (A) Turbine
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