Question

An electric geyser consumes 2.2 kWh of electrical energy per hour when is used. It is

designed to work on the main voltage of 220V.

(a) What is the power rating of this device?

(b) What is the current flowing through this device when it is connected across the mains?

(c) What is the resistance of this device?

(d) Does the resistance of this device remain constant during its operation/working?

(e) Find the total cost of the energy consumed in two hours if each commercial unit of

electrical energy costs ₹6.
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Answer 1

Answer:

i an not understand understand