Undergraduate
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Q. In a thin film of soap, which color appears at the center of the pattern due to destructive interference? (2023)
Q. In a transformer, if the primary coil has 100 turns and the secondary coil has 200 turns, what is the turns ratio? (2021)
Q. In a transformer, if the primary coil has 100 turns and the secondary coil has 50 turns, what is the turns ratio? (2023)
Q. In a transformer, if the primary coil has more turns than the secondary coil, what type of transformer is it? (2021)
Q. In a uniform electric field, the potential difference between two points is 10 V. If the distance between these points is 2 m, what is the strength of the electric field? (2023)
Q. In a uniform magnetic field, a charged particle moves in a circular path. What is the relationship between the radius of the path and the speed of the particle? (2022)
Q. In a uniform magnetic field, the magnetic force on a current-carrying conductor is maximum when the angle between the conductor and the field is: (2019)
Q. In a vacuum, which of the following travels the fastest?
Q. In a Zener diode, what is the purpose of the reverse breakdown region? (2020)
Q. In a zero-order reaction, the rate of reaction is independent of the concentration of the reactants. What is the unit of the rate constant (k) for a zero-order reaction? (2023)
Q. In a zero-order reaction, the rate of reaction is independent of which of the following? (2023) 2023
Q. In an AC circuit, if the current is given by I(t) = I0 cos(ωt), what is the RMS current? (2021)
Q. In an AC circuit, if the current lags the voltage by 30 degrees, what is the power factor? (2023)
Q. In an AC circuit, if the frequency is 60Hz and the inductance is 0.2H, what is the inductive reactance? (2021)
Q. In an AC circuit, if the frequency is increased, what happens to the capacitive reactance? (2020)
Q. In an AC circuit, if the frequency is increased, what happens to the inductive reactance? (2020)
Q. In an AC circuit, if the power factor is 0.5, what is the angle φ between the voltage and current? (2019)
Q. In an AC circuit, if the power factor is 0.8, what is the angle between the voltage and current? (2020)
Q. In an AC circuit, if the resistance is 10 ohms and the inductive reactance is 20 ohms, what is the total impedance? (2020)
Q. In an AC circuit, if the resistance is 10 ohms and the inductive reactance is 20 ohms, what is the impedance? (2020)
Q. In an AC circuit, if the resistance is 10Ω and the inductive reactance is 20Ω, what is the total impedance? (2020)
Q. In an AC circuit, if the total current is 5A and the total voltage is 100V, what is the impedance? (2021)
Q. In an AC circuit, if the voltage is 120 V and the current is 10 A with a power factor of 0.8, what is the real power consumed? (2021)
Q. In an AC circuit, if the voltage is 120 V and the current is 10 A, what is the apparent power? (2022)
Q. In an AC circuit, if the voltage is 120 V and the current is 10 A, what is the power factor if the real power is 600 W? (2021)
Q. In an AC circuit, if the voltage is 120V and the current is 10A with a power factor of 0.8, what is the real power consumed? (2021)
Q. In an AC circuit, if the voltage is 120V and the current is 10A, what is the power factor if the real power is 600W? (2022)
Q. In an AC circuit, if the voltage is given by V(t) = 100 sin(100t), what is the RMS voltage? (2023)
Q. In an AC circuit, if the voltage is given by V(t) = 100√2 sin(1000t), what is the peak voltage? (2023)
Q. In an AC circuit, if the voltage is given by V(t) = V0 sin(ωt), what is the expression for the current if the circuit is purely inductive? (2023)
