Q. If two charges of +2 µC and -2 µC are placed 1 m apart, what is the net electric field at the midpoint? (2023)
  • A. 0 N/C
  • B. 4 N/C
  • C. 2 N/C
  • D. 8 N/C
Q. If two resistors of 4Ω and 12Ω are connected in series, what is the total voltage across them if the current flowing is 2A? (2020)
  • A. 32V
  • B. 24V
  • C. 16V
  • D. 8V
Q. If two resistors of 4Ω and 6Ω are connected in parallel, what is the equivalent resistance? (2022)
  • A. 2.4Ω
  • B. 10Ω
  • C. 24Ω
  • D. 1.5Ω
Q. If two resistors of 5Ω and 10Ω are connected in series, what is the total resistance? (2021)
  • A.
  • B. 10Ω
  • C. 15Ω
  • D. 20Ω
Q. In a body-centered cubic (BCC) structure, how many atoms are there in one unit cell? (2022)
  • A. 1
  • B. 2
  • C. 4
  • D. 8
Q. In a capacitor, if the plate area is increased while keeping the distance constant, what happens to the capacitance? (2023)
  • A. Increases
  • B. Decreases
  • C. Remains the same
  • D. Becomes zero
Q. In a chemical reaction, what does the term 'activation energy' refer to? (2023)
  • A. Energy released during the reaction
  • B. Energy required to initiate the reaction
  • C. Energy needed to maintain the reaction
  • D. Energy that is lost
Q. In a circuit with a 10Ω resistor and a 5V battery, what is the power consumed by the resistor? (2023)
  • A. 1W
  • B. 2W
  • C. 5W
  • D. 10W
Q. In a circuit with a 10Ω resistor and a 5Ω resistor in series, what is the total voltage across the circuit if the current is 2A? (2023)
  • A. 30V
  • B. 20V
  • C. 10V
  • D. 40V
Q. In a circuit with a 12V battery and two 4Ω resistors in series, what is the current flowing through the circuit? (2023)
  • A. 1A
  • B. 2A
  • C. 3A
  • D. 4A
Q. In a circuit with a 15V battery and a 5Ω resistor, what is the voltage drop across the resistor? (2019)
  • A. 3V
  • B. 5V
  • C. 15V
  • D. 0V
Q. In a circuit with a 15V battery and two resistors of 5Ω and 10Ω in series, what is the voltage drop across the 10Ω resistor? (2022)
  • A. 5V
  • B. 10V
  • C. 15V
  • D. 0V
Q. In a circuit with a 24V battery and a 6Ω resistor, what is the power consumed by the resistor? (2020)
  • A. 48W
  • B. 72W
  • C. 96W
  • D. 144W
Q. In a circuit with a 24V battery and a total resistance of 8Ω, what is the power consumed by the circuit? (2023)
  • A. 72 W
  • B. 48 W
  • C. 36 W
  • D. 24 W
Q. In a circuit with a 9V battery and two resistors of 3Ω and 6Ω in series, what is the voltage across the 6Ω resistor? (2022)
  • A. 3V
  • B. 6V
  • C. 9V
  • D. 12V
Q. In a circuit with a 9V battery and two resistors of 3Ω and 6Ω in series, what is the current flowing through the circuit? (2022)
  • A. 1A
  • B. 2A
  • C. 3A
  • D. 4A
Q. In a circuit with a voltage of 24V and a current of 6A, what is the resistance? (2020)
  • A.
  • B.
  • C.
  • D.
Q. In a circuit with an inductor, what happens to the current when the voltage is suddenly increased? (2020)
  • A. Increases immediately
  • B. Decreases immediately
  • C. Increases gradually
  • D. Decreases gradually
Q. In a circuit, if the current is 5A and the resistance is 10Ω, what is the voltage? (2020)
  • A. 15V
  • B. 50V
  • C. 5V
  • D. 10V
Q. In a circuit, if the current is 5A and the resistance is 10Ω, what is the voltage across the resistor? (2021)
  • A. 15V
  • B. 50V
  • C. 5V
  • D. 10V
Q. In a circuit, if the resistance is doubled while the voltage remains constant, what happens to the current? (2021)
  • A. It doubles
  • B. It halves
  • C. It remains the same
  • D. It quadruples
Q. In a circuit, if the voltage is 24V and the current is 3A, what is the resistance? (2023)
  • A.
  • B.
  • C.
  • D. 12Ω
Q. In a circuit, if the voltage is tripled and the resistance remains constant, what happens to the current? (2022)
  • A. It triples
  • B. It halves
  • C. It remains the same
  • D. It doubles
Q. In a closed system, if a reactant is removed from the equilibrium mixture, what will happen? (2019)
  • A. Shift to the right
  • B. Shift to the left
  • C. No change
  • D. Increase in temperature
Q. In a closed system, if the internal energy increases, what can be said about the heat and work done? (2020)
  • A. Heat is added and work is done on the system
  • B. Heat is removed and work is done by the system
  • C. Heat is added and work is done by the system
  • D. No heat exchange occurs
Q. In a closed system, if the internal energy increases, what can be said about the work done and heat added? (2020)
  • A. Work done is positive and heat added is negative
  • B. Work done is negative and heat added is positive
  • C. Both work done and heat added are positive
  • D. Both work done and heat added are negative
Q. In a concave lens, the focal length is always: (2020)
  • A. Positive
  • B. Negative
  • C. Zero
  • D. Infinite
Q. In a concave lens, the focal length is considered to be: (2023)
  • A. Positive
  • B. Negative
  • C. Zero
  • D. Infinity
Q. In a concave lens, the focal length is: (2023)
  • A. Positive
  • B. Negative
  • C. Zero
  • D. Infinite
Q. In a concentration cell, the electrodes are made of: (2020)
  • A. Different metals
  • B. Same metal but different concentrations
  • C. Same metal and same concentration
  • D. Different electrolytes
Showing 271 to 300 of 2614 (88 Pages)
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