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Q. If a circuit has a total resistance of 12Ω and a current of 2A, what is the voltage across the circuit? (2020)

A. 12V
B. 24V
C. 6V
D. 18V

Solution

Using Ohm's law, V = I * R = 2A * 12Ω = 24V.

Correct Answer: B — 24V

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Q. If a circuit has a total resistance of 12Ω and a current of 3A flows through it, what is the voltage across the circuit? (2020)

A. 36V
B. 12V
C. 4V
D. 24V

Solution

Using Ohm's law, V = IR = 3A * 12Ω = 36V.

Correct Answer: A — 36V

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Q. If a circuit has a total resistance of 12Ω and a current of 3A, what is the voltage across the circuit? (2023)

A. 24V
B. 36V
C. 12V
D. 9V

Solution

Using Ohm's law, V = I * R = 3A * 12Ω = 36V.

Correct Answer: B — 36V

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Q. If a circuit has a total resistance of 12Ω and a current of 4A, what is the voltage across the circuit? (2023)

A. 48V
B. 36V
C. 24V
D. 12V

Solution

Using Ohm's law, V = IR = 4A * 12Ω = 48V.

Correct Answer: A — 48V

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Q. If a circuit has a total resistance of 5Ω and a current of 2A, what is the voltage across the circuit? (2022)

A. 10V
B. 5V
C. 2V
D. 1V

Solution

Using Ohm's law, V = I * R = 2A * 5Ω = 10V.

Correct Answer: A — 10V

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Q. If a circuit has a total resistance of 8Ω and a current of 2A flows through it, what is the voltage across the circuit? (2020)

A. 4V
B. 8V
C. 12V
D. 16V

Solution

Using Ohm's law, V = I * R = 2A * 8Ω = 16V.

Correct Answer: B — 8V

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Q. If a circuit has a total resistance of 8Ω and a current of 4A, what is the voltage across the circuit? (2023)

A. 32V
B. 24V
C. 16V
D. 12V

Solution

Using Ohm's law, V = IR = 4A * 8Ω = 32V.

Correct Answer: A — 32V

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Q. If a circuit has a total voltage of 24V and a total resistance of 6Ω, what is the current flowing through the circuit? (2023)

A. 4A
B. 6A
C. 8A
D. 2A

Solution

Using Ohm's law, I = V/R = 24V/6Ω = 4A.

Correct Answer: A — 4A

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Q. If a circuit has a total voltage of 24V and a total resistance of 6Ω, what is the total current in the circuit? (2022)

A. 2A
B. 4A
C. 6A
D. 8A

Solution

Using Ohm's Law, I = V/R = 24V / 6Ω = 4A.

Correct Answer: B — 4A

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Q. If a circuit has a total voltage of 24V and a total resistance of 6Ω, what is the total current flowing through the circuit? (2023)

A. 2A
B. 4A
C. 6A
D. 8A

Solution

Using Ohm's law, I = V/R = 24V/6Ω = 4A.

Correct Answer: B — 4A

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Q. If a circuit has a total voltage of 24V and a total resistance of 6Ω, what is the total current? (2020)

A. 2A
B. 4A
C. 6A
D. 8A

Solution

Using Ohm's law, I = V/R = 24V/6Ω = 4A.

Correct Answer: B — 4A

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Q. If a circuit has a total voltage of 24V and a total resistance of 8Ω, what is the total current flowing through the circuit? (2023)

A. 3A
B. 2A
C. 4A
D. 6A

Solution

Using Ohm's law, I = V/R = 24V/8Ω = 3A.

Correct Answer: C — 4A

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Q. If a circuit has a total voltage of 24V and a total resistance of 8Ω, what is the total current? (2020)

A. 3A
B. 2A
C. 4A
D. 6A

Solution

Using Ohm's law, I = V/R = 24V/8Ω = 3A.

Correct Answer: C — 4A

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Q. If a circuit has a total voltage of 50V and a total resistance of 10Ω, what is the total current flowing through the circuit? (2020)

A. 5A
B. 10A
C. 15A
D. 20A

Solution

Using Ohm's law, I = V/R = 50V/10Ω = 5A.

Correct Answer: A — 5A

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Q. If a circuit has a voltage of 12 V and a resistance of 3 ohms, what is the current flowing through the circuit? (2022)

A. 4 A
B. 3 A
C. 2 A
D. 1 A

Solution

Using Ohm's law (I = V/R), I = 12 V / 3 Ω = 4 A.

Correct Answer: A — 4 A

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Q. If a circuit has a voltage of 24V and a current of 3A, what is the resistance? (2022)

A. 4Ω
B. 6Ω
C. 8Ω
D. 12Ω

Solution

Using Ohm's Law, R = V / I = 24V / 3A = 8Ω.

Correct Answer: B — 6Ω

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Q. If a circuit has a voltage of 24V and a current of 6A, what is the resistance? (2022)

A. 2Ω
B. 4Ω
C. 6Ω
D. 8Ω

Solution

Using Ohm's Law, R = V/I = 24V / 6A = 4Ω.

Correct Answer: D — 8Ω

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Q. If a coin is tossed twice, what is the probability of getting at least one head?

A. 1/4
B. 1/2
C. 3/4
D. 1

Solution

Total outcomes = 4 (HH, HT, TH, TT). Outcomes with at least one head = 3. Probability = 3/4.

Correct Answer: C — 3/4

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Q. If a die is rolled, what is the probability of getting an even number? (2022)

A. 1/2
B. 1/3
C. 1/6
D. 2/3

Solution

Even numbers on a die = 2, 4, 6. Probability = 3/6 = 1/2.

Correct Answer: A — 1/2

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Q. If a force of 10 N is applied to a mass of 2 kg, what is the acceleration of the mass? (2020)

A. 2 m/s²
B. 5 m/s²
C. 10 m/s²
D. 20 m/s²

Solution

Using F = ma, acceleration a = F/m = 10 N / 2 kg = 5 m/s².

Correct Answer: B — 5 m/s²

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Q. If a force of 10 N is applied to a mass of 2 kg, what will be the acceleration of the mass? (2019)

A. 2 m/s²
B. 5 m/s²
C. 10 m/s²
D. 20 m/s²

Solution

Using F = ma, a = F/m = 10 N / 2 kg = 5 m/s².

Correct Answer: B — 5 m/s²

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Q. If a force of 10 N is applied to move an object 3 m in the direction of the force, what is the work done?

A. 30 J
B. 10 J
C. 3 J
D. 0 J

Solution

Work done = Force * Distance = 10 N * 3 m = 30 J.

Correct Answer: A — 30 J

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Q. If a force of 10 N moves an object 5 m in the direction of the force, what is the work done? (2020)

A. 50 J
B. 10 J
C. 5 J
D. 25 J

Solution

Work Done (W) = Force (F) * Distance (d) = 10 N * 5 m = 50 J

Correct Answer: A — 50 J

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Q. If a force of 15 N is applied to a 3 kg object, what is the net force acting on the object if it is already moving with a velocity of 5 m/s? (2022)

A. 15 N
B. 3 N
C. 0 N
D. 18 N

Solution

The net force is still 15 N as it does not depend on the velocity of the object.

Correct Answer: A — 15 N

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Q. If a force of 15 N is applied to a 3 kg object, what is the object's acceleration? (2023)

A. 3 m/s²
B. 5 m/s²
C. 7 m/s²
D. 10 m/s²

Solution

Using F = ma, a = F/m = 15 N / 3 kg = 5 m/s².

Correct Answer: B — 5 m/s²

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Q. If a force of 15 N is applied to a mass of 3 kg, what is the acceleration of the mass? (2023)

A. 3 m/s²
B. 4 m/s²
C. 5 m/s²
D. 6 m/s²

Solution

Using F = ma, a = F/m = 15 N / 3 kg = 5 m/s².

Correct Answer: B — 4 m/s²

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Q. If a force of 15 N is applied to move an object 3 m, what is the work done? (2023)

A. 45 J
B. 30 J
C. 60 J
D. 15 J

Solution

Work Done (W) = Force * Distance = 15 N * 3 m = 45 J

Correct Answer: A — 45 J

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Q. If a force of 15 N moves an object 3 m in the direction of the force, what is the work done? (2022)

A. 45 J
B. 30 J
C. 60 J
D. 15 J

Solution

Work done = Force × Distance = 15 N × 3 m = 45 J

Correct Answer: A — 45 J

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Q. If a force of 20 N moves an object 5 m in the direction of the force, what is the work done?

A. 100 J
B. 50 J
C. 20 J
D. 200 J

Solution

Work = Force * Distance = 20 N * 5 m = 100 J.

Correct Answer: A — 100 J

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Q. If a force of 50 N is applied to a 25 kg object, what is the acceleration of the object? (2022)

A. 1 m/s²
B. 2 m/s²
C. 3 m/s²
D. 4 m/s²

Solution

Using F = ma, a = F/m = 50 N / 25 kg = 2 m/s².

Correct Answer: B — 2 m/s²

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