Electricity Tes...

You are given $$5   m$$ length of heating wire, it has resistance of $$24   \Omega$$. It is cut into two and connected to $$110$$ volt line individually. The total power for the two half lengths is:

A $$100  watt$$ bulb is connected to $$200  volts$$ main. The resistance of the filament of the bulb is

Kilowatt hour (kWh) represents the unit of :

A lamp is marked 60 W, 220 V. If it operates at 200 V, the rate of consumption of energy will _____

The number of joules contained in $$1  kWh$$ is

What is the effective resistance between points P and Q?

An electric heater has a rating of 2 kW, 220 V. The cost of running the heater for 10 hours at the rate of Rs 350 per unit is Rs ____

Calculate the effect the resistance when two resistors of resistances 10 $$\Omega$$ and 20 $$\Omega$$ are connected in parallel.

A dynamo develops $$0.5 A$$ at $$6 V$$, the power delivered is ______.

Calculate the power of an electric bulb which consumes $$2400\ J$$ in a minute