ElectroMagnetism

Question 1

Force is which product?

Answer 1

Vector

Question 2

Father of electromagnetism

Answer 2

Hans Osteard

Question 3

when only Magnetic field exists no E.field?

Answer 3

in Uniform motion

DC current

Question 4

Angle between Both E filed and B field.

Answer 4

90 degree (Perpendicular)

Question 5

unit of magnetic field intensity is

Answer 5

Tesla(T)

SI unit

Question 6

Unit of B.Field intensity in CGS system

Answer 6

Gauss(G)

Question 7

1 SI unit of “B” in CGS

Answer 7

1Tesla= 10*4 Gauss

Question 8

formula of Magnetic field intensity

Answer 8

i) B=f/q v sinQ
ii) B=F/I m sinQ

Question 9

3 General units of B

Answer 9

i) newton per coulomb into meter per second
ii) newton per Ampere into meter
iii) Weber/meter square

Question 10

direction of current in magnetic field can be found by

Answer 10

i) Right hand rule
ii) Fleming Left hand rule
iii) Right hand thumb rule

Question 11

DC current is also called?

Answer 11

Steady current or Constant current

Question 12

Force is in which direction to B and L?

Answer 12

Perpendicular

Question 13

How to determine direction of current?

Answer 13

direction of length(displacement) tells current direction

Question 14

mass of proton

Answer 14

1.67×10^-27Kg