A network of resistors is connected across a 10 V10 V battery with an internal resistance of 1 Ω1 Ω as shown in the circuit diagram. The equivalent resistance of the circuit is:
1. | 173 Ω | 2. | 143 Ω |
3. | 127 Ω | 4. | 147 Ω |
1. | 4 Ω | 2. | 2 Ω |
3. | 43 Ω | 4. | 103 Ω |