Calculate the correct answer below:
(I) Consider the following electric ciruit:
Calculate the values of the following:
i) Total resistance of the circuit.
ii) The total electric current drawn from the source
iii) Potential difference across \(3\) \(\Omega\) resistor.
Calculate the values of the following:
i) Total resistance of the circuit.
ii) The total electric current drawn from the source
iii) Potential difference across \(3\) \(\Omega\) resistor.
(i) Total resistance of the circuit \(=\) \(\Omega \)
(ii) Total electric current drawn from the source \(=\) \(A\)
(iii) Potential difference across \(3\ \Omega\) resistor \(=\) \(V\)
(II) Two bulbs, rated as \(100\ W\); \(220\ V\) and \(60\ W\); \(220\ V\) are connected in parallel to an electric main supply of \(220\ V\). Calculate the electric current drawn from the mains.
The electric current drawn from the mains \(=\) \(A\)
(III) A family uses an electric iron of power 5000 \(W\) for 5 hours every day. Calculate the electrical energy consumed by the iron in \(30\) days. If the cost of electrical energy is Rupees \(6.50\) per unit, calculate the total cost of operating the iron for \(30\) days.
The electrical energy consumed \(=\) \(kWh\)
The total cost of operating the iron \(=\) \(Rupees\)
[Note: Enter answer with two decimal values by rounding off the third value]