Current Electricity

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Q. In a parallel circuit, if one branch has a resistance of 4Ω and another has 8Ω, what is the equivalent resistance? (2020)
  • A. 2.67Ω
  • B.
  • C.
  • D.
Q. What happens to the total current in a parallel circuit if one branch is removed? (2021)
  • A. Increases
  • B. Decreases
  • C. Remains the same
  • D. Depends on the branch
Q. What is the current through a 10Ω resistor connected to a 20V battery? (2020)
  • A. 1A
  • B. 2A
  • C. 3A
  • D. 4A
Q. What is the current through a 12Ω resistor connected to a 24V battery? (2023)
  • A. 1A
  • B. 2A
  • C. 3A
  • D. 4A
Q. What is the current through a 12Ω resistor connected to a 48V power supply? (2021)
  • A. 4A
  • B. 6A
  • C. 3A
  • D. 2A
Q. What is the current through a 12Ω resistor connected to a 48V source? (2021)
  • A. 4A
  • B. 6A
  • C. 3A
  • D. 2A
Q. What is the current through a 12Ω resistor when a voltage of 48V is applied across it? (2021)
  • A. 2A
  • B. 3A
  • C. 4A
  • D. 6A
Q. What is the current through a 12Ω resistor when a voltage of 48V is applied? (2023)
  • A. 4A
  • B. 6A
  • C. 3A
  • D. 2A
Q. What is the current through a 15Ω resistor connected to a 45V source? (2021)
  • A. 3A
  • B. 2A
  • C. 1A
  • D. 4A
Q. What is the effect on the total resistance in a series circuit if one resistor is removed? (2023)
  • A. Increases
  • B. Decreases
  • C. Remains the same
  • D. Becomes zero
Q. What is the equivalent resistance of two 4Ω resistors in parallel? (2019)
  • A.
  • B.
  • C.
  • D.
Q. What is the equivalent resistance of two resistors of 4Ω and 12Ω in parallel? (2022)
  • A.
  • B.
  • C.
  • D.
Q. What is the potential difference across a 5Ω resistor carrying a current of 2A? (2023)
  • A. 10V
  • B. 5V
  • C. 2V
  • D. 1V
Q. What is the power consumed by a 100Ω resistor when a current of 0.5A flows through it? (2020)
  • A. 25W
  • B. 50W
  • C. 100W
  • D. 12.5W
Q. What is the power consumed by a 6Ω resistor when a current of 2A flows through it? (2023)
  • A. 12W
  • B. 24W
  • C. 6W
  • D. 8W
Q. What is the power consumed by a 6Ω resistor when a current of 3A flows through it? (2021)
  • A. 18W
  • B. 9W
  • C. 36W
  • D. 12W
Q. What is the resistance of a circuit if a current of 5A flows through it when a voltage of 25V is applied? (2022)
  • A.
  • B. 10Ω
  • C. 15Ω
  • D. 20Ω
Q. What is the total current flowing through a circuit with a 9V battery and a total resistance of 3Ω? (2022)
  • A. 1A
  • B. 2A
  • C. 3A
  • D. 4A
Q. What is the total current in a circuit with a 15V battery and two 5Ω resistors in series? (2023)
  • A. 1A
  • B. 2A
  • C. 3A
  • D. 4A
Q. What is the total current in a circuit with two branches, one with 3A and the other with 2A? (2022)
  • A. 5A
  • B. 6A
  • C. 3A
  • D. 2A
Q. What is the total current in a parallel circuit with two branches carrying 3A and 5A? (2020)
  • A. 8A
  • B. 15A
  • C. 5A
  • D. 3A
Q. What is the total power consumed in a circuit with two 10Ω resistors in series connected to a 20V source? (2020)
  • A. 20W
  • B. 40W
  • C. 10W
  • D. 30W
Q. What is the total power consumed in a circuit with two 5Ω resistors in series connected to a 30V battery? (2023)
  • A. 90W
  • B. 60W
  • C. 30W
  • D. 45W
Q. What is the total resistance in a circuit with a 10Ω resistor and a 20Ω resistor in series? (2022)
  • A. 30Ω
  • B. 20Ω
  • C. 10Ω
  • D. 15Ω
Q. What is the total resistance in a circuit with a 10Ω resistor in series with a 20Ω resistor? (2022)
  • A. 10Ω
  • B. 20Ω
  • C. 30Ω
  • D. 15Ω
Q. What is the total resistance in a circuit with a 4Ω and a 6Ω resistor in series? (2022)
  • A. 10Ω
  • B. 24Ω
  • C. 2.4Ω
  • D. 1.5Ω
Q. What is the total resistance of two 4Ω resistors connected in series? (2020)
  • A.
  • B.
  • C.
  • D. 16Ω
Q. What is the total resistance of two resistors of 4Ω and 6Ω connected in parallel? (2021)
  • A. 2.4Ω
  • B. 10Ω
  • C. 24Ω
  • D. 1.5Ω
Q. What is the voltage across a 10Ω resistor carrying a current of 3A? (2022)
  • A. 30V
  • B. 20V
  • C. 10V
  • D. 15V
Q. What is the voltage across a 12Ω resistor carrying a current of 1.5A? (2023)
  • A. 18V
  • B. 12V
  • C. 6V
  • D. 24V
Showing 61 to 90 of 93 (4 Pages)
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