Current Electricity MCQs | STS IBA FPSC BPSC SPSC PPSC Mcqs Test Preparation
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The electric potential difference between two points is the work done to move a unit charge from:
A. One point to the other
B. Infinity to one point
C. One point to infinity
D. None of the above
Answer: One point to the other
The relationship between voltage, current, and resistance is described by:
A. Ohm's Law
B. Kirchhoff's Law
C. Faraday's Law
D. Coulomb's Law
Answer: Ohm's Law
The unit of electric resistance is:
A. Ohm
B. Ampere
C. Volt
D. Watt
Answer: Ohm
The unit of electric current is:
A. Ampere
B. Volt
C. Ohm
D. Coulomb
Answer: Ampere
The resistance of a wire depends on:
A. Length of the wire
B. Cross-sectional area of the wire
C. Material of the wire
D. All of the above
Answer: All of the above
The rate of flow of electric charge is called:
A. Current
B. Voltage
C. Resistance
D. Power
Answer: Current
In a series circuit, the total resistance is equal to:
A. The sum of the individual resistances
B. The reciprocal of the sum of the reciprocals of the resistances
C. The product of the individual resistances
D. The average of the resistances
Answer: The sum of the individual resistances
In a parallel circuit, the voltage across each component is:
A. The same as the total voltage
B. Different for each component
C. Dependent on the current through each component
D. Dependent on the total resistance
Answer: The same as the total voltage
The electric potential difference across a capacitor is directly proportional to:
A. The charge stored
B. The current flowing
C. The resistance
D. The power dissipated
Answer: The charge stored