Thermodynamic — Physics MCQs (Class 11)
Free chapter-wise Physics MCQs with answers for MDCAT, FSc and entry tests.
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#113 The electric potential difference between two points is
A) Work done per unit charge
B) Force per unit charge
C) Energy per unit charge
D) Both A and C
#114 The SI unit of electric potential difference is
A) Volt
B) Joule/Coulomb
C) Both A and B
D) Neither A nor B
#115 The capacitance of a capacitor is defined as
A) Charge per unit voltage
B) Voltage per unit charge
C) Charge per unit energy
D) Energy per unit charge
#116 The SI unit of capacitance is
A) Farad
B) Coulomb/Volt
C) Both A and B
D) Neither A nor B
#117 The capacitance of a parallel plate capacitor is
A) \( \epsilon_0 A / d \)
B) \( \epsilon_0 d / A \)
C) \( A \epsilon_0 / d \)
D) \( d / \epsilon_0 A \)
#118 If the area of the plates of a parallel plate capacitor is doubled, the capacitance becomes
A) Half
B) Double
C) One-fourth
D) Four times
#119 If the distance between the plates of a parallel plate capacitor is doubled, the capacitance becomes
A) Half
B) Double
C) One-fourth
D) Four times
#120 The energy stored in a capacitor is
A) \( \frac{1}{2} C V^2 \)
B) \( \frac{1}{2} Q V \)
C) \( \frac{1}{2} Q^2 / C \)
D) All of these
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