- Ais in phase with the voltage
- Bis out of phase with the voltage
- Cleads the voltage by $\frac{\pi}{2}$
- Dlags behind the voltage by $\frac{\pi}{2}$
Explanation:
In a purely inductive circuit (an AC circuit containing inductance only) the current lags behind the voltage by $\frac{\pi}{2}$
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Nuclear fission was discovered by
|
(a) Auto Hahn and F. strassmann |
(b) Fermi |
|
(c) Bethe |
(d) Rutherford |
If the distance between a point source and screen is doubled, then intensity of light on the screen will become
|
(a) Four times |
(b) Double |
(c) Half |
(d) One-fourth |
In Bohr model of the hydrogen atom, the lowest orbit corresponds to
|
(a) Infinite energy |
(b) The maximum energy |
|
(c) The minimum energy |
(d) Zero energy |
Copper has face centered cubic (fcc) lattice with interatomic spacing equal to 2.54Å. The value of the lattice constant for this lattice is
|
(a) 1.27 Å |
(b) 5.08 Å |
(c) 2.54 Å |
(d) 3.59 Å |