Calculate the combined resistance in each case:
A) 1500 Ohm
B) 1 Ohm
C) 5 Ohm
The given figure shows a battery having an EMF of 9V and internal resistance of 0.6Ω, connected to three resistors A, B and C. ? (a) Calculate the combined resistance of B and C. (b) Calculate the total resistance of A, B and C. (c) Calculate the total resistance of the circuit. (d) Calculate the current in each of the three resistors A, B and C. [5 MARKS]
Two resistors of 2.0Ω and 3.0Ω are connected (a) in series, (b) in parallel, with a battery of 6.0 V and negligible internal resistance. For each case, draw a circuit diagram and calculate the current through the battery.
Two resistors A and B resistance 4 Ω and 6Ω respectively are connected in parallel. The combination is connected across a 6 volt battery of negligible resistance. Calculate : (i) the power supplied by the battery, and (ii) the power dissipated in each resistor.