MCQ
1 Volt = _____________ style-type: lower- alpha;”>
- A1 Coulomb
- B1 Newton/ 1 Coulomb
- C1 Joule/ 1 Coulomb
- D1 Newton/ 1 meter
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In an apparatus, the electric field was found to oscillate with an amplitude of 18 V/m. The magnitude of the oscillating magnetic field will be
|
(a) 4 |
(b) 6 |
(c) 9 |
(d) 11 |
A magnet of magnetic moment 50
is placed along the x-axis in a magnetic field
T. The torque acting on the magnet is
|
(a) 175 |
(b) 150 |
(c) 75 |
(d) 25 |
Point charges +4q, -q and +4q are kept on the x - axis at points x = 0, x = a and x = 2a respectively, then
|
(a) Only q is in stable equilibrium |
(b) None of the charges are in equilibrium |
|
(c) All the charges are in unstable equilibrium |
(d) All the charges are in stable equilibrium |