ECAT Pre Computer Science Chapter 12 MCQ Test With Answer

Top Scorers Of ECAT Physics Chapter 12 Electrostatics MCQ`s Test

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Anayat Ali 04 - Apr - 2024 01 Min 07 Sec 60/60
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Abdullah 07 - Mar - 2024 08 Min 13 Sec 60/60
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Alishba Farooq 08 - Mar - 2024 16 Min 42 Sec 55/60
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Abdullah Baloch 28 - Jul - 2024 00 Min 21 Sec 50/60
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mashal zainab 11 - Mar - 2024 05 Min 58 Sec 40/60
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Inamurehman rehmanbajwa 27 - May - 2024 10 Min 39 Sec 40/60
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sweet home 17 - Dec - 2024 15 Min 50 Sec 40/60
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hamid shoukat 25 - Nov - 2025 16 Min 32 Sec 36/60
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Lozina Jalil 29 - Aug - 2024 03 Min 13 Sec 35/60
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Salvaa Sheikh 20 - Sep - 2024 03 Min 21 Sec 35/60
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Sohaib Ali 13 - Oct - 2024 04 Min 38 Sec 35/60
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hareema gull 27 - May - 2024 06 Min 28 Sec 35/60
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Muhammad Abdur.Rahman Khan 01 - Sep - 2024 07 Min 03 Sec 35/60

ECAT Physics Chapter 12 Important MCQ's

Sr.#	Question	Answer
1	What is the current is a 2 x 10⁶ohm resistor having a potential difference of 2 x 10³volts?	A. 10^-1A B. 10^-2A C. 10^-4A D. 1 mA
2	The unit of resistance is	A. volt B. ampere C. ohm D. coat
3	The potential difference across each resistance in series combination is	A. same B. different C. zero D. none of these
4	The resistance of 20 cm long wire is 10Ω. When the length is changed to 40 cm. The new resistance is	A. 10Ω B. 20Ω C. 30Ω D. 40Ω
5	If the distance of separation between two chares is increased, the electrical potential energy of the system will	A. Increase B. Decrease C. May increase or decrease D. Remain the same
6	The force between two chares 0.06 m apart is 5 N. If each charge is moved towards the other by 0.01 m, then the force between them will become	A. 7.20 N B. 11.25 N C. 22.50 N D. 45.00
7	The electric potential at the surface of an atomic nucleus (Z = 50) of radius 9.0 x 10^-15is	A. 9 x 10⁵V B. 9 V C. 8 x 10⁶V D. 80 V
8	The electric flux is linked with a surface will be maximum when	A. The surface is held parallel to the electric field B. The surface is held perpendicular to the electric field C. The surface makes an angle of 45° with the electric field D. All of the above
9	An electric dipole is at the centre of a hollow sphere of radius r. The total normal electric flux through the sphere is (here Q is the charge and d is the distance between the two charges of the dipole)	A. Q/4πr² B. 2Q/4πr² C. Q.d D. Zero
10	An electric charge at rest is	A. Only an electric field B. Only a magnetic field C. Both electric and magnetic fields D. None of the above

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ECAT Pre Computer Science Chapter 12 MCQ Test With Answer

MCQ's Test For ECAT Physics Chapter 12 Electrostatics

ECAT Physics Chapter 12 Electrostatics

The excess (equal in number) of electrons that must be placed on each of two small spheres spaced 3 cm apart, with force of repulsion between the spheres to be 10-19N, is

The ohm's is defined as

If an electron of charge 'e' is accelerated through a potential difference V., it will acquire energy

A current of 1.6 A is passed through a solution of CuSO4. How many Cu2+ions are liberated in one minute?

The SI unit of current is

The electric flux from a closed surface

The energy stored in a charge capacitor

The graphical representation of ohm's law is

When a dielectric material is introduced between the plates of a charged condenser the electric field between the plates

The conductivity of a superconductor is

A heater coil rated at (1000 W - 200 V) is connected to 110 volt line. What will be the power consumed?

The capacity of a parallel plat capacitor depends on the

A hollow insulated conduction sphere is given a positive charge of 10μC. What will be the electric field at the centre of the sphere if its radius is 2 meters?

The liquid which conduct current is known as

A parallel plate capacitor is first charged and then a dielectric slab is introduced between the plates. The quantity that remains unchanged is

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Top Scorers Of ECAT Physics Chapter 12 Electrostatics MCQ`s Test

ECAT Physics Chapter 12 Important MCQ's

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The excess (equal in number) of electrons that must be placed on each of two small spheres spaced 3 cm apart, with force of repulsion between the spheres to be 10^-19N, is

A current of 1.6 A is passed through a solution of CuSO_{4. How many Cu}²⁺ions are liberated in one minute?