A capacitor of capacitance 500 µF is connected to a battery through a 10 kΩ resistor. The charge stored on the capacitor in the first 5 s is larger than the charge stored in the next
(a)  5 s
(b)  50 s
(c)  500 s
(d)  500 s

Choose the correct option
1. (a) only

2. (b), (c)

3. (c), (d)

4. All of these

1. \(a\)
2. \(b\)
3. \(c\)
4. \(d\)

1.  a

2.  b

3.  c

4.  d

Consider the following statements regarding a thermocouple.

The heat developed in a system is proportional to the current through it.

1.  It cannot be Thomson heat.

2.  It cannot be Peltier heat.

3.  It cannot be Joule heat.

4.  It can be any of the three heats mentioned above.

(A) Free-electron density is different in different metals.

(B) Free electron density in a metal depends on temperature.

Seebeck effect is caused

1.  due to both A and B

2.  due to A but not due to B

3.  due to B but not due to A

4.  neither due to A nor due to B.

Consider the statements A and B in the previous question. Peltier effect is caused

1.  due to both A and B

2.  due to A but not due to B

3.  due to B but not due to A

4.  neither due to A nor due to B

Previous question: Consider the following two statements.
(A) Free-electron density is different in different metals.
(B) Free electron density in a metal depends on temperature.

(A) Free-electron density is different in different metals.
(B) Free electron density in a metal depends on temperature.

Faraday constant

1.   depends on the amount of the electrolyte

2.   depends on the current in the electrolyte

3.    is a universal constant

4.   depends on the amount of charge passed through the electrolyte

Two resistors having equal resistances are joined in series and a current is passed through the combination. Neglect any variation in resistance as the temperature changes. In a given time interval,

Choose the correct option: 
1. (a), (b)
2. (b), (c)
3. (c), (d)
4. (a), (d)