Major Competitive Exams

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Q. If a 6 kg object is subjected to a net force of 24 N, what is its acceleration?
  • A. 4 m/s²
  • B. 6 m/s²
  • C. 8 m/s²
  • D. 10 m/s²
Q. If a 60W bulb operates at 120V, what is the resistance of the bulb?
  • A. 240 ohms
  • B. 120 ohms
  • C. 60 ohms
  • D. 30 ohms
Q. If a 60W light bulb operates at 120V, what is the resistance of the bulb?
  • A. 240 ohms
  • B. 120 ohms
  • C. 60 ohms
  • D. 30 ohms
Q. If a 6V battery is connected to a circuit with a total resistance of 3 ohms, what is the current flowing through the circuit?
  • A. 1A
  • B. 2A
  • C. 3A
  • D. 4A
Q. If a 6Ω and a 3Ω resistor are connected in parallel, what is the equivalent resistance? (2022)
  • A.
  • B.
  • C. 1.5Ω
  • D.
Q. If a 6Ω resistor is connected in parallel with a 3Ω resistor, what is the equivalent resistance? (2023)
  • A.
  • B. 1.5Ω
  • C.
  • D.
Q. If a 6Ω resistor is connected to a 9V battery, what is the power dissipated by the resistor?
  • A. 6W
  • B. 9W
  • C. 12W
  • D. 15W
Q. If a 9V battery is connected to a 3Ω resistor, what is the current flowing through it? (2021)
  • A. 1A
  • B. 2A
  • C. 3A
  • D. 4A
Q. If a 9V battery is connected to a 3Ω resistor, what is the energy consumed in 10 seconds? (2023)
  • A. 30J
  • B. 90J
  • C. 60J
  • D. 45J
Q. If a 9V battery is connected to a 3Ω resistor, what is the power consumed by the resistor?
  • A. 3W
  • B. 9W
  • C. 27W
  • D. 1W
Q. If a 9V battery is connected to a 3Ω resistor, what is the power dissipated in the resistor? (2023)
  • A. 3W
  • B. 9W
  • C. 6W
  • D. 12W
Q. If a 9V battery is connected to a 3Ω resistor, what is the voltage drop across the resistor? (2023)
  • A. 3V
  • B. 6V
  • C. 9V
  • D. 12V
Q. If A = (1, 0) and B = (0, 1), what is the angle between them?
  • A. 0 degrees
  • B. 90 degrees
  • C. 45 degrees
  • D. 180 degrees
Q. If A = (1, 0, -1) and B = (0, 1, 1), what is the scalar product A · B?
  • A. 0
  • B. 1
  • C. -1
  • D. 2
Q. If A = (1, 0, 0) and B = (0, 1, 0), what is the value of A · B?
  • A. 0
  • B. 1
  • C. 2
  • D. 3
Q. If A = (1, 0, 0) and B = (0, 1, 0), what is the vector product A × B?
  • A. (0, 0, 1)
  • B. (1, 0, 0)
  • C. (0, 1, 0)
  • D. (0, 0, 0)
Q. If A = (1, 1, 1) and B = (1, 1, 1), what is the scalar product A · B?
  • A. 1
  • B. 2
  • C. 3
  • D. 4
Q. If A = (1, 1, 1) and B = (2, 2, 2), what is A × B?
  • A. (0, 0, 0)
  • B. (1, 1, 1)
  • C. (2, 2, 2)
  • D. (3, 3, 3)
Q. If A = (1, 1, 1) and B = (2, 2, 2), what is the scalar product A · B?
  • A. 3
  • B. 6
  • C. 9
  • D. 12
Q. If A = (1, 1, 1) and B = (x, y, z) such that A · B = 3, what is the value of x + y + z?
  • A. 1
  • B. 2
  • C. 3
  • D. 4
Q. If A = (1, 2) and B = (3, 4), what is the dot product A · B?
  • A. 10
  • B. 11
  • C. 12
  • D. 8
Q. If A = (1, 2) and B = (3, 4), what is the midpoint M of AB?
  • A. (2, 3)
  • B. (1, 2)
  • C. (3, 4)
  • D. (4, 5)
Q. If A = (1, 2, 3) and B = (0, 1, 0), what is the direction of the vector product A × B?
  • A. (2, -3, 1)
  • B. (3, 0, -1)
  • C. (1, 0, -1)
  • D. (1, 3, 0)
Q. If A = (1, 2, 3) and B = (4, 5, 6), what is the magnitude of the vector product A × B?
  • A. 0
  • B. 1
  • C. 2√2
  • D. √14
Q. If A = (1, 2, 3) and B = (4, 5, 6), what is the value of A · B?
  • A. 32
  • B. 30
  • C. 28
  • D. 26
Q. If A = (1, 2, 3) and B = (k, k, k) are perpendicular, what is the value of k?
  • A. 1
  • B. 2
  • C. 3
  • D. 0
Q. If A = (1, 2, 3) and B = (x, y, z) are such that A · B = 0, what is the condition for x, y, z?
  • A. x + 2y + 3z = 0
  • B. x - 2y + 3z = 0
  • C. x + 2y - 3z = 0
  • D. x - 2y - 3z = 0
Q. If A = (1, 2, 3) and B = (x, y, z) such that A · B = 14, find the value of x + y + z.
  • A. 5
  • B. 6
  • C. 7
  • D. 8
Q. If A = (2, 0, -1) and B = (0, 3, 4), what is A · B?
  • A. -4
  • B. 0
  • C. 6
  • D. 8
Q. If A = (2, 0, -1) and B = (0, 3, 4), what is the scalar product A · B?
  • A. -4
  • B. 0
  • C. 6
  • D. 8
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