# MP Board Class 10 Science Chapter 12 Electricity

In this article, we have given MP Board Solutions Class 10th Science Chapter 12 Electricity solution pdf.

MP Board Class 10th Science Chapter 12 Multiple Choice Questions

Question 1.
SI unit of an electric current is equal to
(a) 6 × 108 C (b) 9.8 × 1010 C (c) 1.6 × 10-19 C (d) None of these

Question 2.
Which materials have changing resistivity?
(a) Conductors (b) Semiconductors (c) Non-metals (d) Super metals

Question 3.
If wire in a circuit is doubled its resistivity will be?
(a) Two times (b) Ten times (c) Zero (d) half

Question 4.
A wire used in circuit must be
(a) Highly resistant (b) Non resistance (c) Have high melting point (d) None of these

Question 5.
A heating w ire must have
(a) High melting point (b) High conductivity to heat (c) Both (d) None
Answer: (b) High conductivity to heat

Question 6.
SI unit of resistance is:
(a) Coulomb (b) Ampere (c) Ohm (d) Ohm – meter

Question 9.
Relation of potential difference and current is represented by:
(a) Joule’s law (b) Ohm’s law (c) Dalton’s law (d) None

Question 10.
Formula which represents the relation among potential difference and current following in a circuit is:
(a) V = IR (b) V = I/R (c) l = Q/t (d) R = p lA

Question 11.
Kilo watt is a unit for:
(a) Power (b) Electrical energy commercial (c) Resistance (d) Current flow in circuit

Question 12.
Which one has less resistance?
(a) 10 watt bulb (b) 15 watt LED (c) 60 watt bulb (d) 60 watt LED.

Question 13.
In which type of combinations resistance is more?
(a) Series Combination (b) Parallel combination (c) both (d) Single resistance unit.

Question 14.
Joule’s law formulation is
(a) H = IRT (b) H = I2RT (c) P = VI (d) RT = PV

Question 15.
Hardest metal which can resist maximum heat is:
(a) Lead (b) Tungsten (c) Silver (d) Carbon

Question 16.
If current passing a circuit is 10 A and wire is connected to 100 volt line resistant in the wire will be:
(a) 10 A (b) 10 Ω (c) 100 Ω (d) O Ω

Question 17.
An insulator has a resistivity equals to:
(a) 10-8 Ω m (b) 10 Ω m (c) 5 Ω m (d) 10-18 Ω