Current Electricity

Related Questions

• The heat generated through 2 ohm and 8 ohm resistances separately, when a condenser of 200$\mu F$ capacity charged to 200 V is discharged one by one, will be

  ---

• A 36 $\Omega$ galvanometer is shunted by resistance of 4$\Omega$. The percentage of the total current, which passes through the galvanometer is

  ---

• Pick out the wrong statement

  ---

• A primary cell has an e.m.f. of 1.5 volts, when short-circuited it gives a current of 3 amperes. The internal resistance of the cell is

  ---

• A heater coil connected to a supply of a 220 V is dissipating some power ${P_1}.$ The coil is cut into half and the two halves are connected in parallel. The heater now dissipates a power ${P_2}.$ The ratio of power ${P_1}\,\,:\,\,{P_2}$is

  ---