ECAT Pre Computer Science Chapter 14 online mcq test with answers for Physics chapter 14 (Electromagnetism)

ECAT Physics Chapter 14 Electromagnetism Online Test

Sr. #	Questions	Answers Choice
1	The SI unit of flux density is.	Tesla Weber Gaun Weber/meter
2	The unit of flux density is also given by	Weber/m<sup>2</sup>or Wb . m<sup>-2</sup> Weber/mor Wb . m Weber/mor Wb . m<sup>-1</sup> Weber or Wb
3	The SI unit of flux density is	Newton/Amp-meter Newton-m/Ampere Newton-m/Amp<sup>2</sup> Newton-Amp/meter
4	The straight current carrying conductor experiences maximum force in a uniform magnetic field when it is placed	parallel to the field Perpendicular to the field At an angle of 45 to the field None of the above
5	The SI unit of magnetic flux is.	weber Nm<sup>-1</sup>A<sup>-1</sup> tesla gauss
6	The total number of lines of magnetic induction pasing through a surface perpendicular to the magnetic field is called	magnetic flux magnetic flux density magnetic induction magnetic field intensity
7	The unit of magnetic flux is	Weber-m<sup>2</sup> Weber-m<sup>3</sup> Henry Weber
8	Weber is a unit of	magnetic flux magnetic filed intensity magnetic induction magnetic flux density
9	Magnetic flux and flux density are related by	Flux density = flux x area Flux density = flux / area Flux density = flux - area None of these
10	The SI unit of magnetic flux is	NmA<sup>-2</sup> NmA<sup>-1</sup> NAm<sup>-1</sup> Nm<sup>2</sup>A<sup>-1</sup>
11	If current through conductor is 1 A and length of conductor is 1m placed at right angle to the magnetic field, then the strength of magnetic field is	F = B<sup>2</sup> F = 0 F = B F = B/2
12	The force exerted on a conductor of length L, carrying current I when placed in a magnetic field B is given by	F=IB/L F= L x B/I F = IL x B F = IL . B
13	The SI unit of magnetic induction is	Gauses Tesla Weber Weber<sup>2</sup>
14	A relationship between Gauses of magnetic induction and Tesla(T) is given by	G 10<sup>-3</sup>T G = 10<sup>-2</sup>T G = 10<sup>-4</sup>T G = 10<sup>-1</sup>T
15	A meter wire carraying a current of 2A is at right angle to the uniform magnetic field of 0.5 Weber/m²The force on the wire is	5N 4N 1.5N 6N

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