UET Taxila Entry Test Physics: Most Important MCQs with Answers

Practise UET Taxila Entry Test Physics most important MCQs in sets of about 20 questions with instant answers and explanations. This page focuses on critical…

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UET Taxila Entry Test Physics Most Important sample MCQs

  1. Q1. A circular coil of radius 0.1 m is placed in a uniform magnetic field of 0.2 T. If it's rotated by 180° in 0.2 s, find induced emf.

    • A) 0.0628 V
    • B) 0.1256 V
    • C) 0.628 V
    • D) 1.256 V

    Answer: 0.0628 V

  2. Q2. A thermodynamic system undergoes a process in which its internal energy decreases by 500 J. If the work done by the system is 750 J, the heat transferred to the system is

    • A) -1250 J
    • B) 250 J
    • C) -250 J
    • D) 1250 J

    Answer: 250 J

  3. Q3. A spring has a spring constant of 100 N/m. What is the work done in compressing it by 2 m?

    • A) 100 J
    • B) 200 J
    • C) 2000 J
    • D) 400 J

    Answer: 200 J

  4. Q4. The impedance of an LCR circuit at resonance is

    • A) R
    • B) L
    • C) C
    • D) 1/R

    Answer: R

  5. Q5. The ratio of specific heats (Cp/Cv) for a diatomic gas is

    • A) 1.67
    • B) 1.4
    • C) 1.3
    • D) 1.2

    Answer: 1.4

  6. Q6. What is the dimension of velocity?

    • A) LT⁻¹
    • B) LT²
    • C) L²T
    • D) L⁻¹T

    Answer: LT⁻¹

  7. Q7. The power dissipated in a 10 ohm resistor is 40W. What is the current?

    • A) 1 A
    • B) 2 A
    • C) 4 A
    • D) 8 A

    Answer: 2 A

  8. Q8. In an AC circuit, the voltage and current are given by V = 200 sin(100πt) V and I = 5 sin(100πt - π/3) A. The power loss is

    • A) 500 W
    • B) 250 W
    • C) 1000 W
    • D) 750 W

    Answer: 250 W

  9. Q9. The impedance of an AC circuit is given by Z = √(R² + X²), where X is the reactance. For a capacitor, X is

    • A) 1 / ωC
    • B) ωC
    • C) ωL
    • D) 1 / ωL

    Answer: 1 / ωC

  10. Q10. An AC source is connected to a capacitor. The current in the circuit is

    • A) in phase with the voltage
    • B) leads the voltage by π/2
    • C) lags the voltage by π/2
    • D) is zero

    Answer: leads the voltage by π/2

  11. Q11. The resonance frequency of an LCR circuit is given by

    • A) 1 / √(LC)
    • B) √(L/C)
    • C) 1 / (LC)
    • D) √(LC)

    Answer: 1 / √(LC)

  12. Q12. In an LCR circuit, the voltage across the resistor is 100 V, across the inductor is 200 V, and across the capacitor is 200 V. The supply voltage is

    • A) 100 V
    • B) 200 V
    • C) 300 V
    • D) 100√2 V

    Answer: 100 V

  13. Q13. The Q-factor of an LCR circuit is given by

    • A) ωL / R
    • B) 1 / (ωCR)
    • C) ωC / R
    • D) R / (ωL)

    Answer: ωL / R

  14. Q14. The power factor of an AC circuit is

    • A) R / Z
    • B) Z / R
    • C) X / R
    • D) R / X

    Answer: R / Z

  15. Q15. The rms value of an AC is given by

    • A) I0 / √2
    • B) I0 / 2
    • C) I0 * √2
    • D) 2 * I0

    Answer: I0 / √2

  16. Q16. The average power consumed in an AC circuit is

    • A) Vrms * Irms * cos(φ)
    • B) Vrms * Irms * sin(φ)
    • C) Vrms * Irms
    • D) 0

    Answer: Vrms * Irms * cos(φ)

  17. Q17. In an AC circuit, the current is wattless if

    • A) φ = 0
    • B) φ = π/2
    • C) φ = π
    • D) φ = π/4

    Answer: φ = π/2

  18. Q18. The inductive reactance of a coil is

    • A) ωL
    • B) 1 / ωL
    • C) ω/L
    • D) L / ω

    Answer: ωL

  19. Q19. The capacitive reactance of a capacitor at frequency f is

    • A) 1 / (2πfC)
    • B) 2πfC
    • C) 1 / (2πfL)
    • D) 2πfL

    Answer: 1 / (2πfC)

  20. Q20. In an AC circuit containing only resistance, the voltage and current are

    • A) in phase
    • B) out of phase by π/2
    • C) out of phase by π
    • D) out of phase by π/4

    Answer: in phase

What are most important Physics MCQs for UET Taxila Entry Test?

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