Current Divder For Three Resitance

A exists in the 5k(Omega) resistor, find the currents in the other three resistors.what is the potential difference between the points A and B?

Heat energy is being produced in a resitance in a circuit at the rate of 100 W . The current of 3 A is flowing in the circuit. What must be the value of the resistance ?

A resistor is marked with the rings coloured brown, balck, green, and gold. The resitance in ohm is

An 1800 W toaster, a 1.3 kW electric fan and a 100 W lamp are plugged in the same 120 V circuit i.e., all the three devices are in parallel. What is the approximate value of the total current (i.e. the sum of current drawn by the three devices) through the circuit ?

The circuit shown here is used to measure resitance R. An ammeter shows a current of 2A and a voltmeter of a potential difference of 120 V. what is the resitance R if the internal resistance of the voltmeter is R_(v) = 3000 Omega ? How large will the error in measuring R be, if the resistance of the voltmeter is assumed to be infinitely large?

Find the currents through the three resistors shown in figure

Find the currents through the three resistors shown in Figure

In a circuit shown in Fig, resistances R_(1) and R_(2) are known , as well as emf's xi_(1) and xi_(2) . The internal resitances of the sources are negatible. At what value of the resitance R will teh thermal power generated in it be the highest ? What is it equal to ?

Name the device that converts changes in intesity illumination into changes in electric current. Give three applications of this device.