PPSC Physics Full Book With Answers

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PPSC Physics Full Book

Sr. # Questions Answers Choice
1 On which factor the self induction does not depends upon. Number of turns of the coil the core material Weight of the coil Area of the cross section of the coil
2 On which factor mutual induction of two coils does not depends upon. Number of turns of the coils Area of cross section of the coils Closeness of the coils Shape of the coils
3 Faraday's law deals with Induced emf Motional emf Induced current Electric current
4 The SI unit of mutual induction a Vs-1 A-1 V m -1 A-1 Henry Tesla
5 Electric Heater operates on the principle of. electromagnetism Electromagnetic induction Electrolysis Momentum
6 The Lenz's law is also a statement of the law of conservation of. Energy Mass Momentum Torque
7 Which of the following is most suitable for the core of the electromagnetism Air Steel Su Ni allow Soft iron
8 Which one of the following is diamagnetic Liquid oxygen Air Water Copper sulphate
9 All the magnetic materials lose their magnetic properties when Dipped in oil Dipped in water Heated Cooled
10 The susceptibility of a paramagnetic material is negative Positive Zero Infinity
11 Which material has the highest magnetic susceptibility. Steel Brass Iron Wood
12 The permeability of air is 0.5 zero infinity Unity
13 The unit of magnetic induction is. weber -metre weber -metre 2 weber-meter-2 weber-metre-1
14 The SI unit of magnetic flux is gauss Maxwell Oersted Water
15 Which magnetic properties is inherent in all materials. Para magnetism diamagnetism Ferromagnetism demagnetism
16 Two magnetic lines of force Out near the poles Never cut each other Cut at a neutral point Cut according to position of the magnet
17 At which temperature a ferromagnetic material becomes paramagnetic on healing. Kelvin temperature Celsius temperature Curie temperature Fahrenheit temperature
18 The emf induced by the motion of a conductor across a magnetic field is called. Absolute potential Motional emf Induced emf Terminal potnetial
19 If we make the magnetic field stronger the value of induced emf is. Decreased Increased Vanished Kept constant
20 The induced current in a circuit can be increased by Using a strong magnetic field Moving the loop faster Replacing the loop by a coil of many turns All of the above
21 Induced current in a circuit depends upon The speed with which the conductor moves in the magnetic field Resistance of the loop Direction of the loop Shape of the loop
22 The strength of the magnetic field around the current carrying conductor is Smaller near the conductor Greater near the conductor constant everywhere Changing everwhere
23 Magnetic flux with a closed circuit depends Directly on number of turns of the coil Inversely on number of turns of the coil On geometry of the circuit Nature of the charges
24 A galvanometer can be converted into voltmeter by connecting in series with the galvanometer a Low resistance High resistance Resistance of intermediate range Shunt
25 Tesla is the unit for measuirng Magnetic intensity Magnetic induction Magnetic moment Electric potential
26 What is the value of earth's magnetics fields. 5 G 50 G 100 G 500 G
27 Which of the following remains unaffected in a magnetic field. a particles b partciles gama particles Electrons
28 The magnetic field inside a solenoid is Zero Infinite Uniform Non uniform
29 Which quantity is not affected by a magnetic field. Moving charge Stationary charge Current flowing in a conductor Charge in magnetic flux
30 Which are the following describe the study of static magnetic fields. Electrodynamics Megnetostatic Electrostatic Paraamagnetism
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