An electric heater coil if connected to a 230 V source if the resistance of the heater coil is 220 ohm. Find the current.

An electric heater coils is connect to a 220 V source. If the resistance of the heater coil is 220 ohm. Find the current.

An electric bulb is connected to a 220 V source. If the resistance of the bulb filament is 1000 ohm. Find the current.

An electric bulb rated 22V is connected to 220 V-5Hz source. Then, the bulb

A coil containing 20 turns of average diameter 0.02 m is placed perpendicular to a magnetic field of intensity 1.6 xx 10^4 T . The magnetic field changes to 1.8 xx 10^3 T in 4 s. A resistor of resistance 15 ohm is connected in sereis with the coil. If the resistance of the coil is 5 ohm, find the induced current passing through the resistor.

An electric lamb of 100 Omega a toaster of resistance 50 Omega and a water filter of resistance 500 Omega are connected in parallal to a 220 V source.What is the resistance of the electric iron connected to the same cource that takes as much current as all the three application and what is the current through it?

A resistance of 20 ohm is connected to a source of alternating current rated 110 V - 50 Hz. Find the r.m.s of current.

How much current will be drawn by an electric iron from a 220 V source if the resistane of its element when hot is 55 ohm ? Calculate the wattage of electric iron when it operates on 220V?

A uniform conducting wire of length 12a and resistance R is wound up as a current carrying coil in the shape of an equilateral triangle of side a. The coil is connected to a voltage source V_0 . Find the magnetic moment of the coils in each case.

An electric bulb is connected to a 220 V source. The current flowing is 0.25 A. what is the power of the bulb?