Q1 Who discovered Magnetic effect of current ?
- (a) Oersted
- (b) Faraday
- (c) Bohr
- (d) Ampere
- (a) Oersted
Q2 Which instrument is used to detect presence of magnetic field
- (a) Ammeter
- (b) Compass
- (c) Galvanometer
- (d) Voltmeter
- (b) Compass
Q3 A positive charge is moving perpendicular in a magnetic field which is directed towards north. The particle will be deflected towards
- (a) East
- (b) north
- (c) South
- (d) West
- (d) Apply Right hand Rule
Q4 A charged particle is moving with a uniform speed then it will produce
- (a) Only electric field
- (b) Only magnetic field
- (c) Both electric and magnetic field
- (d) Electromagnetic waves with electric and magnetic field
- (c) Both electric and magnetic field
Q5 Force on a charged particle which is at rest in strong magnetic field will be
- (a) Maximum
- (b) Zero
- (c) Insufficient data
- (d) None
- b) Zero
Q6 1 Tesla = ...Gauss
- a) `10^{5}` Gauss
- b) `10^{4}` Gauss
- c) `10^{3}` Gauss
- d) `10^{-4}` Gauss
- b) `10^{4}` Gauss
Q7 Tesla is a unit of
- (a) Electric flux
- (b) Magnetic flux
- (c) Electric field
- (d) Magnetic field
- (d) Magnetic field
Q8 How does the magnetic field due to Infinitely long current carrying conductor at a distance r from conductor depends
- (a) B∝r
- (b) B∝`\frac{1}{r^{}}`
- (c) B∝`\frac{1}{r^{2}}`
- (d) None of these
- (b) B∝1/r
Q9. The Dimensions of magnetic field are
- a) `ML^{1}T^{-2}A^{-1}`
- b) `ML^{0}T^{-2}A^{-1}`
- c) `ML^{0}T^{-1}A^{-1}`
- d) `ML^{0}T^{-2}A^{-2}`
- b) `ML^{0}T^{-2}A^{-1}`
Q10 1 Gauss= .. Tesla
- (a) `10^{5}`
- (b) `10^{4}`
- (c) `10^{3}`
- (d) `10^{-4}`
- (d) `10^{-4}`
