Q.1. For the circuit shown in below Figure, determine (a) the battery voltage V, (b) the total resistance of the circuit, and (c) the values of resistance of resistors R_{1}, R_{2} and R_{3}, given that the p.d’s across R_{1}, R_{2} and R_{3} are 5 V, 2 V and 6 V respectively.

Q.2. For the circuit shown in below Figure, determine the p.d. across resistor R_{3}. If the total resistance of the circuit is 100Î©, determine the current flowing through resistor R_{1}. Find also the value of resistor R_{2}.

Q.3. A 12 V battery is connected in a circuit having three series-connected resistors having resistances of 4Î©, 9Î© and 11Î©. Determine the current flowing through, and the p.d. across the 9Î© resistor.

Q.4. Find the voltage V in the given figure.

Q.5. For the circuit shown in given Figure, determine (a) the reading on the ammeter, and (b) the value of resistor R_{2}.

Q.6. Two resistors are connected in series across a 24 V supply and a current of 3 A flows in the circuit. If one of the resistors has a resistance of 2Î© determine (a) the value of the other resistor, and (b) the p.d. across the 2Î© resistor. If the circuit is connected for 50 hours. how much energy is used?

Q.7. Two resistors, of resistance 3Î© and 6Î©. are connected in parallel across a battery having a voltage of 12 V. Determine (a) the total circuit resistance and (b) the current flowing in the 3Î© resistor.

Q.8. Given four 1 Î© resistors, state how they must be connected to give an overall resistance of (a) 1/4 Î© (b) 1 Î© (c) 4/3 Î©(d) 5/2 Î©. 12, all four resistors being connected in each case.

Q.9. For the circuit shown in below Figure, find (a) the value of the supply voltage V and (b) the value of current I.

Q.10. For the series-parallel arrangement shown in below Figure. find (a) the supply current. (b) the current flowing through each resistor and (c) the p.d. across each resistor.

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