Q. Solve the following:
(1) Complete the following
(a)
(b)
(2) Find the total resistance in the circuit.
(3) Find the total resistance and current in the circuit.
(4) If two resistors are connected in series, the total resistance is 45Ω and if the same resistors are connected in parallel the total resistance becomes 10Ω. Find the value of individual resistors.
(5) If a bulb of 60W is connected across a source of 220 V, find the current drawn by it.
(6) A potential difference of 250 Volts is applied across a resistance 1000 Ω in an electric iron. Find (1) the current and (2) heat energy produced in Joules in 12 sec.
(7) A washing machine rated 300W is operated for one hour/day. If the cost of unit is Rs 3.00 find the cost of the energy to operate a washing machine for the month of March.
(8) If a TV of rating 100W is operated for 6 hrs per day, find the number of units consumed in any leap year.
(9) How will you connect three resistances of 4 ohms each to get 12 Ω, 6 Ω and 
Ω, respectively.
