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12th Chapter

### 12th Class Physics Chapter 12 Test

Here you can prepare 12th Class Physics Chapter 12 Electrostatics Test. Click the button for 100% free full practice test.

## Second Year Physics Chapter 12 Online MCQ Test for 2nd Year Physics Chapter 12 Electrostatics Preparation

This online test contains MCQs about following topics:.

- Coulomb's Law - Fields of Force - Electric Field Lines - Applications of Electrostatics - Electric Flux - Electric Flux Through a Surface Enclosing a Charge - Gauss's Law - Applications of Gauss's Law - Electric Potential - lectron Volt - Electric and Gravitational Forces (A Comparison) - Charge on an Electron by Millikan's Method - Capacitor - Capacitance of a Parallel Plate Capacitor - Electric Polarization of Dielectrics - Energy Stored in a Capacitor - Charging and Discharging a Capacitor

FSC Part 2 Physics Ch 12 Test

### Second Year Physics Chapter 12 Online MCQ Test for 2nd Year Physics Chapter 12 Electrostatics Preparation

1 NC-1 is the SI unit is
• A. Force
• B. Charge
• C. Current
• D. Electric intensity
2 A charge on 4 coulomb is in the field of intensity 4N/C the force on the charge is.
• A. Uniform
• B. Non uniform
• C. Weak
• D. Strong
3 An electric field cannot deflect
• A. X-rays
• B. a-particles
• C. ß-particles
• D. None of these
4 If the potential difference across two plates of capacitor is doubled, then energy stored in it will be.
• A. Two times
• B. Eight times
• C. Four times
• D. Remain same
5 A charge Q is divided into tweo parts q and Q-q and seperated by a distance R. The force of equilibrium between them will be maximum when:
• A. q=Q/4
• B. q=Q/2
• C. q=Q
• D. None of these
6 A capacitor is charged with a battery and then it is disconnected. A slab of dielectric is now inserted between the plates, Then
• A. The charge in the plates reduces and potencial difference increase
• B. Potencial difference between the plates increase, stored energy decreases and charge remains the same
• C. Potencial difference between the plates decreases, stored energy decreases and charge remains unchanged
• D. None of them
7 Two oppositely charged balls A and B attract the third ball C, when placed near them turn by turn The third ball C must be.
• A. Positively charged
• B. Negatively charged
• C. Electrically neutral
• D. Positively and negatively charged
8 Metals are good conductors of electricity because they have
• A. Large number of bounded electrons
• B. Small number of electrons
• C. Large number of free electrons
• D. Small number of free electrons
9 A force of 0.01 N is exerted on a charge 1.2 x 10<sup>-5</sup> C at a certain point. The electric field at that point is
• A. 1.2 x 10<sup>4</sup> N/C
• B. 1.2 x 10<sup>4</sup> C/N
• C. 8.3 x 10<sup>2</sup> N/C
• D. 8.3 x 10<sup>-2</sup> N/C
10 Electro encephalon graph is the diagnostic test for the working of.
• A. Eye
• B. Heart
• C. Brain
• D. Lungs

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