Correct Answer:- Option-C
Question29:-The potential difference in a circuit is measured in

A-watts
5४०5

C:-ampere

D:-ohms

Correct Answer:- Option-B
Question30:-How many electrons are there in the valance shell of semiconductor materials?

A:-2

B:-8

C:-6

D:-4

Correct Answer:- Option-D
Question31:-What is the unit of conductance?

A:-Ampere

B:-Mho.

6-٤

D:-Ohm

Correct Answer:- Option-B
Question32:-1 ampere second = 1 7

A:-Coulomb

B:-Joule

C:-Watt

D:-Ohm

Correct Answer:- Option-A
Question33:-Which effect of electric current is utilized in battery?

A:-Magnetic effect

B:-Heating effect

C:-Chemical effect

D:-Gas ionization effect

Correct Answer:- Option-C

Question34:-What is the value of current flowing through a 10 Q resistor when a potential difference of 15 volt is applied
across it?

0.5-A
B:-0.75 -A
C:-1-A
D:-1.5-A
Correct Answer:- Option-D
Question35:-NTC resistors are also called as
A:-Varistors
:-Thermistors
C:-LDR
D:-Sensistors
Correct Answer:- Option-B
Question36:-What is the resistance value of a carbon resistor having a colour band of orange, orange, red and silver?
A:-33000 Q*+-" 10%
B:-3k3.Q*+-" 10%
C:-33 kQ*+-" 10%
0:-330 ८0 ` +-` 10%
Correct Answer:- Option-B
Question37:-Resistance value above 1 ohm up to 100000 ohms are classified as?
A:-Low resistance
B:-High resistance
C:-Medium resistance
D:-Very high resistance
Correct Answer:- Option-C
Question38:-What is the resistivity of mica insulation at 20°C?
A:-10*(10)° ohm metre
8:- 107 (16) ohm metre