An applaiance of power 690 W is used in a branch circuit . If the voltage is 230 V .what is its amperage ?

In an a.c circuit with phase voltage V and current I, the power dissipated is

The amperage of the fuse wire used in a circuit that works on 230 V is 2.2 A. If so the power of the device is

An electric heater calibrated 1.5 kW, 230 V is connected to a household branch circuit having 5A fuse wire and is made to work. What will happen ?

Peak value of the voltage in a circuit V=10 sin 100 pit is 10 V:-What is the r.m.s value?

The voltage In a circuit, V = 10. sin 100 pit :- What is the peak value?