Current Electricity MCQs | STS IBA FPSC BPSC SPSC PPSC Mcqs Test Preparation
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The total resistance of resistors in series:
A. Is the sum of the individual resistances
B. Is the reciprocal of the sum of the reciprocals of the resistances
C. Is the product of the individual resistances
D. None of the above
Answer: Is the sum of the individual resistances
The rate of energy transfer in an electrical circuit is known as:
A. Power
B. Voltage
C. Current
D. Resistance
Answer: Power
The total current in a circuit with multiple resistors in series is:
A. The same through all resistors
B. The sum of the currents through each resistor
C. Different for each resistor
D. The average of the currents through each resistor
Answer: The same through all resistors
The total resistance of resistors in parallel is always:
A. Less than the smallest resistor
B. Equal to the smallest resistor
C. Greater than the smallest resistor
D. Equal to the sum of all resistors
Answer: Less than the smallest resistor
The unit of electrical resistance is:
A. Ohm
B. Volt
C. Ampere
D. Watt
Answer: Ohm
The voltage across a capacitor is:
A. Directly proportional to the charge stored
B. Inversely proportional to the charge stored
C. Independent of the charge stored
D. Equal to the current multiplied by resistance
Answer: Directly proportional to the charge stored
The power dissipated in a resistor can be calculated using:
A. P = I² × R
B. P = V × I
C. P = V² / R
D. All of the above
Answer: All of the above
The unit of electric capacitance is the:
A. Farad
B. Ohm
C. Volt
D. Ampere
Answer: Farad
The total resistance of resistors in series is:
A. Equal to 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. None of the above
Answer: Equal to the sum of the individual resistances