A resistor of resistance \(R\) is connected to an ideal battery. If the value of \(R\) is decreased, the power dissipated in the resistor will:

Two resistors \(R\) and \(2R\) are connected in series in an electric circuit. The thermal energy developed in \(R\) and \(2R\) are in the ratio of:
1. \(1:2\)
2. \(2:1\)
3. \(1:4\)
4. \(4:1\)

Two resistances R and 2R are connected in parallel in an electric circuit. The thermal energy developed in R and 2R are in the ratio

1.   1 : 2

2.   2 : 1

3.   1 : 4

4.   4 : 1.

1. \(a\)
2. \(b\)
3. \(c\)
4. \(d\)

1.  a

2.  b

3.  c

4.  d

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.

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: