A resistance having rating of 10 Ohm 10 W is likely to be a

27) When a resistance of 4 Ohm is placed across the battery terminals, the current flowing is 2 amperes and when the resistance across the battery terminals is increased to 8 Ohm, the current falls to 1 ampere. The internal resistance of the battery is

Answer is:

Explanation:

Answer is:

Explanation:

Answer is:

Explanation:

the space that is emptied below the level of mercury column in the tube

the space that is emptied above the level of mercury column in the tube

the space that is full above the level of mercury column in the tube

the space that is full below the level of mercury column in the tube

Answer is:

Explanation: