Q.1. Van de graaff generator is used for producing (A) High current (B) High voltage (C) High power (D) High capacity Ans:- (B) Q.2. A hollow sphere of radius 5 cm is charged to 10 volt. the potential at centre is (A) Zero (B) 10 volt (C) Both a and b (D) None of these …
Q.1. The quantum of electric charge in e.s.u. is (A) 4.78×10⁻¹⁰ (B)1.6×10⁻¹⁹ (C) 2.99×10⁹ (D) -1.6×10⁻¹⁹ Ans:- (A) Q.2. Permittivity of free space is (A) 9×10⁹ mF⁻¹ (B) 1.6×10⁻¹⁹C (C) 8.85×10⁻¹²Fm⁻¹ (D) 8.85×10⁻⁹Fm⁻¹ Ans:- (C) Q.3. The unit of electric field intensity is (A) NC (Newton Coloumb) (B) NC⁻¹ (Newton/Coloumb) (C) Vm (Volt m) (D) …
Physics Class 12th Chapter-1 Electric Charges And Fields Most VVI Objective Questions Read More »
CLASS-12th Subjective Question Ch-1 Electric Charge And Fields Q.1. Define electric charge and write its S.I. unit ? Ans:- charge is a physical fundamental quantity. S.I. unit of charge is coulomb (C). Q.2. What is Coulomb’s law ? Ans:- Coulomb’s law is that force between two charges is directly proportional to the …
Physics Class-12 Chapter- 1 Electric Charges and Fields Most VVI Subjective Questions Read More »
Q.1. kilowatt hour is the unit of (A) energy (B) power (C) torque (D) force Ans:- (A) Q.2 Electron volt is a measure of (A) charge (B) potential difference (C) current (D) energy Ans:- (D) Q.3. To increase sensitivity of a potentiometer its (A) area should be increased (B) current should be increased (C) current …
Physics Class-12 Chapter-3 Current Electricity VVI Objective Questions Read More »
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