A. key should be removed between readings to avoid battery rundown
B. jockeys should be dragged on resistance wires
C. the connections in the circuit should be tight
D. readings should be recorded as soon as they are obtained
Answer: B
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A. It is a constant current instrument
B. It is a variable resistor with moving contact
C. It is used for varying the current in a circuit
D. It is used for varying the resistance in a circuit
Answer: A
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A. potential difference
B. current remains constant
C. resistance
D. resistivity
Answer: C
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A. the potential difference under test is zero
B. current is varying in the circuit
C. potential differences are varying in the circuit
D. potential difference are balanced
Answer: D
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A. incident angle is equal to the angle of refraction
B. refraction angle equals 90o
C. incident angle equals 90o
D. incident angle is equal to the angle of emergency
Answer: D
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A. the potentiometer wire is assumed to be uniform
B. it does not draw current from the circuit under test
C. the temperatue of the wire must remain constant
D. faults may arise due to breaks or wrong connections in the circuit
Answer: B
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A. key should be removed between readings to avoid battery rundown
B. jockeys should be dragged on resistance wires
C. the connections in the circuit should be tight
D. readings should be recorded as soon as they are obtained
Answer: C
For More Quiz Questions click here to download Global Quiz on Google PlayStore
A. It is a constant current instrument
B. It is a resistor with moving contact
C. It is used for varying the current in a circuit
D. It is used for varying the resistance in a circuit
Answer: A
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A. potential difference varies
B. current remains constant
C. temperature remains constant
D. potential difference remains constant
Answer: C
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