PPSC Physics Chapter 6 Electricity and Magnetism With Answers

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PPSC Physics Chapter 6 Electricity and Magnetism

Sr. # Questions Answers Choice
1 The magnetic field inside a solenoid is Zero Infinite Uniform Non uniform
2 Which quantity is not affected by a magnetic field. Moving charge Stationary charge Current flowing in a conductor Charge in magnetic flux
3 Which are the following describe the study of static magnetic fields. Electrodynamics Megnetostatic Electrostatic Paraamagnetism
4 What is the properly of materials that responds at an atomic or subatomic level to an applied magnetic field. Magnetism electroplating Diamagnetism <div>Electrolysis</div>
5 If a conductor sun infirmly stretched so that its length is increased in timed, then its resistance becomes. n times the original resistance 1/n times the original resistance n2 times the original resistance n3 times the original resistance
6 The cathode ray oscilloscope is used For viewing the wave shape of rapidly changing electric current As voltmeter For measuring time intervals between electricalimpulses All of the above
7 If a resistance is connected in parallel with a galvanometer the resulting instrument is called. A voltmeter An ammeter A wattmeter A potentiometer
8 In electric magnetism , the additional fundamental quantity that is chosen as a basic unit is called. Electric potential Electric fierce Electric charge Magnetic force
9 Relative permeability is The ratio of flux density in a material to that for a vacuum Very large for paramagnetic materials small for paramagnetic materials None of these
10 A straight wire carrying current will experience a force when place in uniform magnetic field if The current and field are parallel The current and field are at an angle the current and field are parallel in opposite directions All of the above
11 A straight wire carrying current will experience a force when placed in a uniform magnetic field if The current and field are parallel The current and field are at an angle the current and field are parallel in opposite directions All of the above
12 When a charged particle is moved through a magnetic field if suffers is change in its. Charge energy Mass direction of motion
13 Which given material is the best for making connecting wires Nichrome Iron Gold Copper
14 Which of the following quantity in analogous to temperature in electricity. Charge Resistance Inductances Potential
15 Which of the following quantities is analogous to mass in electricty. Charge Potential Capacitance Inductance
16 The current passing through the switch s will be Zero 3 A 4.5 A 10 A
17 Which one of the following instruments has the maximum resistance. Ammeter Voltmeter Micro ammeter Milli ammeter
18 In which device is a permanent magnet used An electric bell An electromagnet A plotting compass A relay
19 It is deduced that a piece of metal is already a magnet if A copper wire is attracted to it A copper wire is repelled by it One end of a compass is repelled by it Both ends of a compass needle are attracted to it.
20 The current passing through the coil of a galvanometer is directly proportional to Resistance voltage Angle of deflection conductance
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