NMDCAT Phy Quiz : Current Electricity

A visually engaging illustration of an electric circuit with resistors, capacitors and a light bulb, surrounded by equations related to current electricity, in a modern educational style.

NMDCAT Physics Quiz: Current Electricity

Test your knowledge of Current Electricity with this comprehensive quiz designed for NMDCAT aspirants. This quiz features 25 carefully crafted multiple-choice questions that cover essential concepts in current electricity, resistance, and Ohm's Law.

Whether you're preparing for an exam or just want to brush up on your physics knowledge, this quiz is perfect for you. Here are some key features:

Multiple-choice questions
Instant feedback on answers
Covers a range of topics

25 Questions6 MinutesCreated by ChargingStar101

1-A component which provides resistance is called

Heat

Energy

Product

Resistor

2-To control electric current in a circuit, there is used a

Resistor

Insulator

Conductor

Wire

3-If more resistors are added in a series circuit the resistance will be

Increased

Decreased

Equal

Constant

4-The resistor of a variable resistor can be changed hence it is called

Ammeter

Rheostat

Fixed resistor

Variable resistor

5-In a parallel circuit the resistance decreases with increase in number of

Resistors

Bulbs

Circuit

Battery

6-If a current of 5 Amperes flows through the conductor. The number of electrons per second will is

1.6 x 10^-19

3.12 x 10^19

4 x 10^19

7.68 x 10^20

7-Ohm’s law is true for

Metallic conductors at low temperature

Metallic conductors at high temperature

For electrolytes, when current passes through them

For diode when current flows

8-An example of non-ohmic resistance is

Diode

Tungsten wire

Carbon resistance

Copper wire

9-In a conductor, if 6-coulomb charge flows for 2 seconds. The value of electric current will be

3 amperes

3 volts

2 amperes

2 volts

10-An EMF source of 8.0 V is connected to a purely resistive electrical appliance. An electric current of 2.0 A flows through it. What is the resistance offered by the electrical appliances?

4 ohm

6 ohm

2 ohm

3 ohm

11-A potential difference of 10 V is applied across a conductor whose resistance is 2.5 ohm. What is the value of current flowing through it?

4 amperes

2 amperes

6 amperes

10 amperes

12-If the conductor resistance is 50 ohm and the current passing through it is 5 A. What is the value of potential difference?

150 V

250 V

50 V

15 V

13-When the length of the conductor is doubled and the area of cross-section remains the same then its resistance

Remains the same

Will be doubled

Will become half

Will increase by four times

14-The current passing through a resistor in a circuit is 1 A when the voltage across the same resistor is 10 V. What is the value of current when the voltage across the resistor is 8 V

0.8 A

8 A

80 A

18 A

15-Two resistors R1 and R2 with resistance 5 ohms and 10 ohms respectively are connected in series. The voltage across R1 is 4 V. What will be the value of current across R2.

0.8 A

8 A

80 A

18 A

16-What is the current in the circuit below:

0.3 A

0.2 A

0.1 A

None of these

17-Equivalent resistance across the points a and b is:

2 ohm

3/5 ohm

5 ohm

1/2 ohm

18-The potential difference across R1 is:

30 V

10 V

15 V

20 V

19-What is the equivalent resistance of the circuit?

6/25 ohm

25/6 ohm

25/3 ohm

3/25 ohm

20-Figure shows a network carrying currents.The current I in the circuit will be:

-3 A

3 A

13 A

23 A

21-Allof following statements are incorrect except:

Silver is the best conductor followed by aluminimun and then copper

Copper is the best conductor followed by silver and then aluminium

Copper is the best conductor followed by aluminium and then silver

Silver is the best conductor followed by copper and aluminium

22-A piece of certain material has resistance of 100 ohm at 0 *C and 10 0hm at 18 *C. The material is of:

Carbon

Germanium

Silicon

None of these

23-Resistivity of platinum in ohm cm is:

1.1 x 10^-8

1.1 x 10^-5

1.1 x 10^-7

1.1 x 10^-6

24-One million electrons are passing through a cross section of a conductor in one millisecond. The current through the conductor is

0.16 nA

1.6 X 10^-11 A

1.6 micro A

16 X 10^-12 A

25-A 100 W ,200 V bulb is connected to a 160 V supply. The actual power consumption would be

64 W

72 W

100 W

90 W

NMDCAT Phy Quiz : Current Electricity

NMDCAT Physics Quiz: Current Electricity

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