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. Match the items in List — 1 to List - 2:

List-1 List -2
1. Current I. Volt
2. Potential difference Il. Ohm
3. Resistance Ill. Ampere
IV. Coulomb
8) 1-1, 2-1५, 3-॥॥ 8) 1-॥, 2-1, 3-॥॥
0) 1-॥, 2-1, 3-॥ 20) 1-1४, 2-1, 3-॥
. One coulomb charge equal to the charge of
A) 1.6 x 10'9 protons B) 10° protons
0) 16 x 10'8 protons D) 6.24 x 10'8 protons

. Aconductor carries 7 coulomb charge for a duration of 10 seconds then the current
through the conductor is equal to

A) ۸ 8) 1.4 & ‏مم ره‎ D) 17A

. From the following options which one is correct regarding conductor, insulator and
semiconductors ?

A) Energy gap between valance and conduction band is low in insulators

B) Large number of free electrons are available in the conduction band of
semiconductors than conductors

C) The valance band and conduction band overlaps in conductors
D) Valance band electrons can easily moved into conduction band in insulators

. From the given options select the list of insulators.
A) Gold, Silver, Copper B) Glass, Paper, Aluminium
C) Silicon, Glass, Iron D) Mica, Wood, Paper

. If a material having forbidden energy of 6 electron volt. Identify the type of
material.

A) Conductor B) Insulator C) Semiconductor D) Resistor

. Identify the requirements of a good insulating material in a cable.
|. High dielectric strength.
॥. Low mechanical strength.
Ill. Able to withstand temperature from —30 degree celcius to over 100 degree

celcius.
IV. High insulation resistance.
A) | and Il only 8) |, || 8೫೧7೮ / ೦೧॥/ 0) 1॥,॥॥ ೩೧೮ ಗ/ ‏ہہ اہ‎ 0) I, Il, Illand IV