Question

12. Solve the following example.
a. Heat energy is being produced in a
resistance in a circuit at the rate of
100 W. The current of 3 A is flowing
in the circuit. What must be the
value of the resistance?(Ans: 11 )
b. Two tungsten bulbs of wattage
100 W and 60 W power work on
220 V potential difference. If they
are connected in parallel, how much
current will flow in the main con-
ductor?
(Ans: 0.72A)
c. Who will spend more electrical
energy? 500 W TV Set in 30 mins,
or 600 W heater in 20 mins?
(Ans : TV Set)
d. An electric iron of 1100 W is
operated for 2 hrs daily. What will
be the electrical
electrical consumption
expenses for that in the month of
April? (The electric company
charges Rs 5 per unit of energy).
ilske
(Ans : Rs 330)
Proiect​

Answer 1

Answer:

minono pinono harka fulio

Explanation: