1.
The negatively charged particle considered as a free particle moving in a
metallic conductor.
Ans. Electron
2.
The quantity expressed in coulomb.
Ans. Electric charge
3.
The quantity expressed in ampere.
Ans. Electric current
4.
The quantity expressed in ohm.
Ans. Electric resistance
5.
The quantity expressed in volt.
Ans. Electric potential
6.
The quantity expressed in joule.
Ans. Work (and energy)
7.
The quantity expressed in watt.
Ans. Power
8.
The quantity expressed in kilowatt.
Ans. Electric energy
9.
A component used to control the current.
Ans. Resistor
10.
An instrument used to measure electric current.
Ans. Ammeter
11.
An instrument used to measure electric potential difference.
Ans. Voltmeter
12.
The scientist who invented the first battery.
Ans. Alessandro volta
13.
The ratio of the work done to the quantity of charge transferred.
Ans. Electric potential difference
14.
The quantity also called as the specific resistance.
Ans. Resistivity
15.
A physical quantity on which resistivity depends.
Ans. Temperature
16.
An alloy of Cu and Ni.
Ans. Constantan
17.
An alloy of Cu, Mn, and Ni.
Ans. Manganin
18.An
alloy of Ni, Cr, Mn, and Fe.
Ans. Nichrome
19.A
quantity that depends on the temperature but not on the length and area of
cross section of the conductor.
Ans. Resistivity
20.
A metal used to make the filament of an electric bulb.
Ans. Tungsten
21.
An alloy used to prepare a coil of high resistance for use in electric
appliances such as an electric heater.
Ans. Nichrome
22.
Constituents of the alloy used to make a fuse wire.
Ans. Lead and tin
23.
The unit same as the watt second.
Ans. The joule
24.A
metal used to make connecting wires in a circutt.
Ans. Copper
25.
The scientist in whose honour the SI unit of power is named.
Ans. James Watt.
