TasDia Network
TasDia Network

MCQs 1: Electric pressure is also called________?

resistance power voltage energy
Answer Explanation

MCQs 2: The substances which have a large number of free electrons and offer a low resistance are called____?

insulators inductors semi-conductors conductors
Answer Explanation

MCQs 3: Out of the following which is not a poor conductor__________?

Cast iron Copper Carbon Tungsten
Answer Explanation

MCQs 4: Out of the following which is an insulating material____________?

Copper Gold Silver Paper
Answer Explanation

MCQs 5: The property of a conductor due to which it passes current is called___________?

resistance reluctance conductance inductance
Answer Explanation

MCQs 6: Conductance is reciprocal of____________?

resistance inductance reluctance capacitance
Answer Explanation

MCQs 7: The resistance of a conductor varies inversely as___________?

length area of cross-section temperature resistivity
Answer Explanation

MCQs 8: With rise in temperature the resistance of pure metals______________?

increases decreases first increases and then decreases remains constant
Answer Explanation

MCQs 9: With rise in temperature the resistance of semi-conductors_________________?

decreases increases first increases and then decreases remains constant
Answer Explanation

MCQs 10: The resistance of a copper wire 200 m long is 21 Q. If its thickness (diameter) is 0.44 mm, its specific resistance is around_______________?

1.2 x 10~8 Q-m 1.4 x 10~8 Q-m 1.6 x 10″”8 Q-m 1.8 x 10″8 Q-m
Answer Explanation

MCQs 11: An instrument which detects electric current is known as_____________?

voltmeter rheostat wattmeter galvanometer
Answer Explanation

MCQs 12: In a circuit a 33 Q resistor carries a current of 2 A. The voltage across the resistor is

33 V 66 v 80 V 132 V
Answer Explanation

MCQs 13: A light bulb draws 300 mA when the voltage across it is 240 V. The resistance of the light bulb is___________?

400 Q 600 Q 800 Q 1000 Q
Answer Explanation

MCQs 14: The resistance of a parallel circuit consisting of two branches is 12 ohms. If the resistance of one branch is 18 ohms, what is the resistance of the other ?

18 Q 36 Q 48 Q 64 Q
Answer Explanation

MCQs 15: Four wires of same material, the same cross-sectional area and the same length when connected in parallel give a resistance of 25 Q. If the same four wires are connected is series the effective resistance will be________?

100 Ω 200 Ω 300 Ω 400 Ω
Answer Explanation

MCQs 16: A current of 16 amperes divides between two branches in parallel of resistances 8 ohms and 12 ohms respectively. The current in each branch is_____________?

6.4 A, 6.9 A 6.4 A, 9.6 A 4.6 A, 6.9 A 4.6 A, 9.6 A
Answer Explanation

MCQs 17: Current velocity through a copper conductor is___________?

the same as propagation velocity of electric energy independent of current strength of the order of a few ^.s/m nearly 3 x 108 m/s
Answer Explanation

MCQs 18: Which of the following material has nearly zero temperature co-efficient of resistance_________?

Manganin Porcelain Carbon Copper
Answer Explanation

MCQs 19: You have to replace 1500 Q resistor in radio. You have no 1500 Q resistor but have several 1000 Q ones which you would connect__________?

two in parallel two in parallel and one in series three in parallel three in series
Answer Explanation

MCQs 20: Two resistors are said to be connected in series when___________?

same current passes in turn through both both carry the same value of current total current equals the sum of branch currents sum of IR drops equals the applied e.m.f.
Answer Explanation

Related Topics

About Us | Contact Us | Privacy Policy
ABOUT US
Category
Who We Are

TasDia Network, this platform not only provides you the best educational stuff but besides this, we are creating thousands of new ideas to making your signature and planning much more on a single platform.

© 2020-2023, TasDia Network

All rights of the publication are reserved by tasdia.com.