The total resistance in a parallel circuit

Two resistors are connected in parallel and are connected across a 40 volt battery. If each resistor is 1000 ohms, the total battery current is

The total current in a parallel circuit is equal to the

One way to operate a 3 volt bulb from a 9 volt supply is to connect it in

You can operate this number of identical lamps, each drawing a current of 250 mA, from a 5A supply

Six identical 2-volt bulbs are connected in series. The supply voltage to cause the bulbs to light normally is

This many 12 volt bulbs can be arranged in series to form a string of lights to operate from a 240 volt power supply

Three 10,000 ohm resistors are connected in series across a 90 volt supply. The voltage drop across one of the resistors is

Two resistors are connected in parallel. R1 is 75 ohm and R2 is 50 ohm. The total resistance of this parallel circuit is

A dry cell has an open circuit voltage of 1.5 volt. When supplying a large current the voltage drops to 1.2 volt. This is due to the cell's

A 6 ohm resistor is connected in parallel with a 30 ohm resistor. The total resistance of the combination is

The total resistance of several resistors connected in series is

Five 10 ohm resistors connected in series give a total resistance of

Resistors of 10, 270, 3900, and 100 ohm are connected in series. The total resistance is

This combination of series resistors could replace a single 120 ohm resistor

If a 2.2 megohm and a 100 kilohm resistor are connected in series, the total resistance is

If ten resistors of equal value R are wired in parallel, the total resistance is

The total resistance of four 68 ohm resistors wired in parallel is

Resistors of 68 ohm, 47 kilohm, 560 ohm and 10 ohm are connected in parallel. The total resistance is

The following resistor combination can most nearly replace a single 150 ohm resistor

Two 120 ohm resistors are arranged in parallel to replace a faulty resistor. The faulty resistor had an original value of

Two resistors are in parallel. Resistor A carries twice the current of resistor B which means that

The smallest resistance that can be made with five 1 k ohm resistors is

The following combination of 28 ohm resistors has a total resistance of 42 ohm

Two 100 ohm resistors connected in parallel are wired in series with a 10 ohm resistor. The total resistance of the combination is

A 5 ohm and a 10 ohm resistor are wired in series and connected to a 15 volt power supply. The current flowing from the power supply is

Three 12 ohm resistors are wired in parallel and connected to an 8 volt supply. The total current flow from the supply is

Two 33 ohm resistors are connected in series with a power supply. If the current flowing is 100 mA, the voltage across one of the resistors is

A simple transmitter requires a 50 ohm dummy load. You can fabricate this from

Three 500 ohm resistors are wired in series. Short-circuiting the centre resistor will change the value of the network from