Question: A capacitor stores 0.24 coulombs at 10 volts. Its capacitance is___________?

• 1. 0.024 F
• 2. 0.12 F
• 3. 0.6 F
• 4. 0.8 F

Question: If three 15 uF capacitors are connected in series, the net capacitance is:

• 1. 5 uF
• 2. 30 uF
• 3. 45 uF
• 4. 50 uF

Question: A capacitor stores 0.24 coulombs at 10 volts. Its capacitance is_____________?

• 1. 0.024 F
• 2. 0.12 F
• 3. 0.6 F
• 4. 0.8 F

Question: The direction of electric field due +0 positive charge is ___________?

• 1. away from the charge
• 2. towards the charge
• 3. both A and B
• 4. none of the above

Question: The electric field intensity at a point situated 4 meters from a point charge is 200 N/C. If the distance is reduced to 2 meters, the field intensity will be______________?

• 1. 400 N/C
• 2. 600 N/C
• 3. 800 N/C
• 4. 1200 N/C

Question: The electric field at a point situated at a distance d from straight charged conductor is____________?

• 1. proportional to d
• 2. inversely proportional to d
• 3. inversely proportional to d
• 4. none of the above

Question: A field line and an equipotential surface are____________?

• 1. always parallel
• 2. always at 90°
• 3. inclined at any angle 0
• 4. none of the above

Question: The force between two charges is 120 N. If the distance between the charges is doubled, the force will be________________?

• 1. 60 N
• 2. 30 N
• 3. 40 N
• 4. 15 N

Question: The ability of charged bodies to exert force on 6ne another is attributed to the existence of____________?

• 1. electrons
• 2. protons
• 3. neutrons
• 4. electric field

Question: For making a capacitor, it is better to select a dielectric having___________?

• 1. low permittivity
• 2. high permittivity
• 3. permittivity same as that of air
• 4. permittivity slightly more than that of air