Umesh has two bulbs having resistances of `15 Omega` and `30 Omega`. He wants to connect them in ,a circuit, but if he connects them one at a time the filament gets burnt. Answer the following.
What will be the effective resistane in the above circuit?

Umesh has two bulbs having resistances of 15 Omega and 30 Omega . He wants to connect them in ,a circuit, but if he connects them one at a time the filament gets burnt. Answer the following. What are the characteristics of this way of connecting the bulbs?

Three resistors having resistances of 15 Omega , 3 Omega and 4 Omega are connected in series. What is the effective resistance in the circuit?

Resistors having resistances of 15 Omega , 20 Omega and 10 Omega are connected in parallel. What is the effective resistance in the circuit?

If three resistors 15Omega , 3Omega and 4 Omega each are connected in series, what is the effective resistance in the circuit?

Resistors having resistances of 8 Omega , 6 Omega and 12 Omega are connected in parallel. What is the effective resistance in the circuit?

Three resistors having resistances of 12 Omega , 9 Omega , 4 Omega and 3 Omega are connected in series. What is the effective resistance in the circuit?

Three resistors having resistances of 5 Omega , 10 Omega and 30 Omega are connected in parallel and a potential difference of 12 V is applied across them. Obtain the current flowing through the circuit ang through individual resistors. What is the effective resistance in the circuit?

Three resistors having resistances of 3 Omega , 4 Omega and 6 Omega are connected in parallel and a potential difference of 12 V is applied across them. Obtain the current flowing through the circuit and through individual resistors. What is the effective resistance in the circuit?

A set of three coils having resistances 10 Omega , 12 Omega and 15 Omega are connected in parallel. This combination is connected in series with series combination of three coils of the same resistances. Calculate the total resistance and current through the circuit, if a battery of emf 4.1 Volt is used for drawing current.