The currents into a junction flow along two paths. One current is 4 A and the other is 3 A. The total current out of the junction is_____________?

Related Mcqs:

The power dissipation in each of four parallel branches is 1.2 W. The total power dissipation is________________?

A. 1.2 W B. 4.8 W C. 0.3 W D. 12 W...

Four 8 Ω speakers are connected in parallel to the output of an audio amplifier. If the maximum voltage to the speakers is 12 V, the amplifier must be able to deliver to the speakers_____________?

A. 18 W B. 1.5 W C. 48 W D. 72 W...

An ammeter has an internal resistance of 50 Ω. The meter movement itself can handle up to 1 mA. If 10 mA is applied to the meter, the shunt resistor, RSH1, is approximately___________?

A. 55 Ω B. 5.5 Ω C. 50 Ω D. 9 Ω...

Four resistors are connected in parallel. Fifteen mA flows through resistor R. If the second resistor is 2R, the third resistor 3R, and the fourth resistor 4R, the total current in the circuit is______________?

A. 60 mA B. 15 mA C. 135 mA D. 31.25 mA...

If one of the resistors in a parallel circuit is removed, the total resistance_____________?

A. decreases B. increases C. remains the same D. doubles...