- AZero
- BForce a proton would experience there.
- CForce an electron would experience there.
- DForce a unit positive charge would experience there.
Explanation:
The electric field intensity at a point in a vacuum is equal to force experienced by a unit positive charge placed at that point.
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The mass defect for the nucleus of helium is 0.0303 a.m.u. What is the binding energy per nucleon for helium in MeV
|
(a) 28 |
(b) 7 |
(c) 4 |
(d) 1 |
Hydrogen atom excites energy level from fundamental state to n = 3. Number of spectrum lines according to Bohr, is
|
(a) 4 |
(b) 3 |
(c) 1 |
(d) 2 |
Three equal resistances each of value R are joined as shown in the figure. The equivalent resistance between M and N is

|
(a) R |
(b) 2R |
(c) |
(d) |
A galvanometer can be converted into an ammeter by connecting
|
(a) Low resistance in series |
(b) High resistance in parallel |
|
(c) Low resistance in parallel |
(d) High resistance in series |
A straight wire carrying current i is turned into a circular loop. If the magnitude of magnetic moment associated with it in M.K.S. unit is M, the length of wire will be
|
(a) 4πiM |
(b) |
(c) |
(d) |
The energy stored in a condenser of capacity C which has been raised to a potential V is given by
|
(a) |
(b) |
(c) CV |
(d) |