- AOnly the proton number changes.
- BBoth the neutron number and the proton number change.
- CThere is no change in the proton number and the neutron number.
- DOnly the neutron number changes.
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Thomson coefficient of a conductor is 10μV/K. The two ends of it are kept at 50℃ and 60℃ respectively. Amount of heat absorbed by the conductor when a charge of 10C flows through it is
|
(a) 1000 J |
(b) 100 J |
(c) 100 mJ |
(d) 1 mJ |
The relation between Faraday constant (F), chemical equivalent (E) and electrochemical equivalent (Z) is
|
(a) F = EZ |
(b) |
(c) |
(d) |

| A | B | Y |
| 0 | 0 | 0 |
| 0 | 1 | 1 |
| 1 | 0 | 1 |
| 1 | 1 | 1 |
If a steady current of 4 amp maintained for 40 minutes, deposits 4.5 gm of zinc at the cathode and then the electro chemical equivalent will be
|
(a) 51 |
(b) 28 |
|
(c) 32 |
(d) 47 |
A parallel plate capacitor having a plate separation of 2 mm is charged by connecting it to a 300 V supply. The energy density is
|
(a) 0.01 J/m3 |
(b) 0.1 J/m3 |
(c) 1.0 J/m3 |
(d) 10 J/m3 |