The Resistance of a Given Wire Using Ohm's Law NEET Questions

Physics - Experimental Skills

The Resistance of a Given Wire Using Ohm's Law MCQ Questions


13.
Which physical quantity is measured in ohm-meter?
A.
Resistivity
B.
Conductivity
C.
Power
D.
Voltage
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ANSWER :
A. Resistivity
14.
If the resistance of a wire is 5Ω and a current of 2A flows through it, what is the voltage across the wire?
A.
10V
B.
2.5V
C.
7V
D.
1V
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ANSWER :
A. 10V
15.
What is the reciprocal of resistance called?
A.
Capacitance
B.
Conductance
C.
Inductance
D.
Impedance
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ANSWER :
B. Conductance
16.
The resistance of a wire depends on which of the following factors?
A.
Length, cross-sectional area, and material
B.
Only length and thickness
C.
Only material
D.
None of these
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ANSWER :
A. Length, cross-sectional area, and material
17.
Which law states that the resistance of a conductor is directly proportional to its length and inversely proportional to its cross-sectional area?
A.
Ohm’s Law
B.
Newton’s Law
C.
Kirchhoff’s Law
D.
Faraday’s Law
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ANSWER :
A. Ohm’s Law
18.
Which instrument is used to measure resistance?
A.
Voltmeter
B.
Ammeter
C.
Ohmmeter
D.
Galvanometer
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ANSWER :
C. Ohmmeter