A 20 V potential difference is applied across a 10 Ω resistor and a 30 Ω resistor connected in parallel. The current in the 10 Ω resistor is

Which process will double the power given off by a resistor?

The magnetic field 2 cm from a long, straight wire is 1 x 10-6 T. The current in the wire is:

A 12 V potential difference is applied across a series combination of four 6 Ω resistors. The current in each resistor is

Ten million electrons are placed on a solid copper sphere. The electrons become

An electric heater draws a current of 20 A when connected to a 120 V power source. Its resistance is

The electric field 2.0 x 10-2 m from a certain charge has a magnitude of 1.0 x 105 N/C. The magnitude of the electric field 1.0 x 10-2 m from the charge is

The magnetic field lines around a long, straight current are in the form of

If a firm’s forecasted sales unexpectedly decreased, which of the following effect is correct if all other variables are held constant?

High levels of net working capital are usually associated with a high cash conversion cycle.