The production of induced current in one coil due to change in magnetic field is called

1. electromagnetism
2. induction
3. mutual induction
4. steady current

EMF of a cell is dependent on

1. the shape of electrodes
2. the material of electrodes
3. the distance between the electrodes
4. Both (a) and (b)

Conduction is the method of transfer of heat in

1. liquids
2. solids
3. gases
4. vacuum

(a) If the moment of force is assigned a negative sign, then will the turning tendency of the force be clockwise or anti-clockwise?

(b) Complete the following nuclear reactions given below

I. $^{238}_{92}\text{P} \overset{\alpha} \longrightarrow \text{Q} \overset{\beta} \longrightarrow \text{R} \overset{\beta} \longrightarrow \text{S}$

II. $^{A}${Z}\text{X} \overset{\alpha} \longrightarrow \text{X}{1} \overset{\gamma} \longrightarrow \text{X}{2} \overset{2\beta} \longrightarrow \text{X}{3}