ECAT Pre Engineering Physics Chapter 12 MCQ Test With Answer

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

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Salvaa Sheikh 13 - Sep - 2024 24 Min 16 Sec 85/120
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Sualeh Murtaza 15 - Nov - 2024 05 Min 29 Sec 80/120
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hussain naqvi 19 - Sep - 2024 18 Min 43 Sec 65/120
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Humera Noor 27 - Dec - 2024 19 Min 28 Sec 65/120

ECAT Physics Chapter 12 Important MCQ's

Sr.#	Question	Answer
1	Specific resistance of a wire depends upon	A. Length B. Cross-section area C. Mass D. None
2	Magnetic effect at a point caused due to flow a current depend upon the	A. Quantity of current B. Distance from current C. Both the quantity of current and distance from current element D. None of the all
3	When three identical bulbs of 60 watt, 200 volt rating are connected in series to a 200 volt supply, the power drawn by them will be	A. 180 watt B. 10 watt C. 20 watt D. 60 watt
4	The thermistors are usually made of	A. Metals with low temperature coefficient of resistivity B. Metals with high temperature coefficient of resistivity C. Metal oxides with high temperature coefficient of resistivity D. Semi conducting materials having low temperature coefficient of resistivity
5	A heater coil rated at (1000 W - 200 V) is connected to 110 volt line. What will be the power consumed?	A. 200 W B. 302.5 C. 250 W D. 350 W
6	Ohm's law states that	A. The current through a resistor is directly proportional to the applied voltage B. The voltage across a resistor is directly proportional to the current passing through it C. Resistance is the constant of proportionality between the voltage and current D. all of these
7	The unit of resistivity is	A. ohm B. ohm-m² C. ohm-meter D. ohm-m^-1
8	Calculate the amount of charge flowing in 2 minutes in a wire of resistance 10Ωwhen a potential difference of 20 V is applied between its ends	A. 120 C B. 240 C C. 20 C D. 4 C
9	A car battery has e.m.f 12 volt and internal resistance 5 x 10^-2ohm. If it draws 60 ampere current, the terminal voltage of the battery will be	A. 5 volt B. 3 volt C. 15 volt D. 9 volt
10	The minimum charge on any object can not be less than	A. 1.6 x 10^-19C B. 3.2 x 10^-19C C. 1.0 C D. 4.8 x 10^-19C

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ECAT Pre Engineering Physics Chapter 12 MCQ Test With Answer

MCQ's Test For Physics ECAT Pre Engineering Chapter 12 Electrostatics

Physics ECAT Pre Engineering Chapter 12 Electrostatics

Potentiometer is more sensitive than voltmeter, because

The capacitance of a parallel plate capacitor depends upon

The SI unit of capacitance is

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 car battery has e.m.f 12 volt and internal resistance 5 x 10-2ohm. If it draws 60 ampere current, the terminal voltage of the battery will be

A condenser of capacity 50μF is charged to 10 V.The energy stored is

If the two charges in Coulomb's law have double distance between them, then electric force

The electric intensity outside the two oppositely charged parallel metal plates is

Magnetic effect at a point caused due to flow a current depend upon the

The resistance of 20 cm long wire is 10Ω. When the length is changed to 40 cm. The new resistance is

The conventional current in a circuit is defined as " current which passes from a point at higher potential to a point at lower potential as if it represent a movement of

The charge carriers in electrolyte are positive and negative

If electric and gravitational force on an electron in a uniform electric field will be

The resistance of the given conductor can be increased by

The capacity of a parallel plat capacitor depends on the

Force acting upon a charged particle kept between the plates of a charged condenser if F. IF one of the plates of the condenser is removed, force acting on the same will become

Two point charge +3μC and +8μC repel each other with a force of 40 N. If a charge of -5μC is added to each of them, then the force between then will become

Resistance of a conductor is increased, the currant will

If two bulbs one of 60 W and other of 100 W are connected in parallel, then which one of the following will flow more?

If one volt is needed to cause a current of one ampere to flow in a conductor, its resistance is

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

The unit of resistance is

The thermistors are usually made of

The ratio of the gravitational force Fgto the electrostatic force Febetween two electrons at the same distance apart is approximately

In a charged capacitor the energy is stored in

Two conductors having the same type of charges are connected by a conducting wire. There would not be any amount of charges on them if

The unit of resistivity is

A one microfarad capacitor of a TV is subjected to 4000 V potential difference. The energy stored in capacitor is

Coulomb's force between two point charges depends upon

Which one of the following causes production of heat when current is set up in a wire?

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ECAT Physics Chapter 12 Important MCQ's

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A car battery has e.m.f 12 volt and internal resistance 5 x 10^-2ohm. If it draws 60 ampere current, the terminal voltage of the battery will be

The ratio of the gravitational force F_gto the electrostatic force F_ebetween two electrons at the same distance apart is approximately