A. decreases
B. increases
C. remains the same
D. doubles
Correct Answer: increases ✔
Last Updated: December 19, 2018
Related MCQs
- The following currents are measured in the same direction in a three-branch parallel circuit: 200 mA, 340 mA, and 700 mA. The value of the current into the junction of these branches is__________?
- 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__________?
- Six resistors are in parallel. The two lowest-value resistors are both 1.2 kΩ. The total resistance__________?
- Six resistors are in parallel. The two lowest-value resistors are both 1.2 kΩ. The total resistance__________?
- The following resistors are in parallel across a voltage source: 220Ω , 470Ω , and 560Ω . The resistor with the least current is__________?
- In a certain three-branch parallel circuit, R1 has 12 mA through it, R2 has 15 mA through it, and R3 has 25 mA through it. After measuring a total of 27 mA, you can say that__________?
- Five 100 Ω resistors are connected in parallel. If one resistor is removed, the total resistance is__________?
- The total resistance of a parallel circuit is 50 Ω. If the total current is 120 mA, the current through the 270 Ω that makes up part of the parallel circuit is approximately__________?
- A 470 Ω resistor, a 220 Ω resistor, and a 100 Ω resistor are all in parallel. The total resistance is approximately__________?
- Four equal-value resistors are connected in parallel. Ten volts are applied across the parallel circuit and 2 mA are measured from the source. The value of each resistor is__________?
- When a 1.6 kΩ resistor and a 120Ω resistor are connected in parallel, the total resistance is__________?
- 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__________?
- 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 sudden increase in the total current into a parallel circuit may indicate__________?
- Three 47 Ω resistors are connected in parallel across a 110 volt source. The current drawn from the source is approximately__________?
- In a five-branch parallel circuit, there are 12 mA of current in each branch. If one of the branches opens, the current in each of the other four branches is__________?
- Five light bulbs are connected in parallel across 110 V. Each bulb is rated at 200 W. The current through each bulb is approximately__________?
- A set of Christmas tree lights is connected in parallel across a 110 V source. The filament of each light bulb is 1.8 k. The current through each bulb is approximately__________?
- Three lights are connected in parallel across a 120 volt source. If one light burns out__________?
- When an additional resistor is connected across an existing parallel circuit, the total resistance__________?
- Four resistors of equal value are connected in parallel. If the total voltage is 15 V and the total resistance is 600 Ω, the current through each parallel resistor is__________?
- 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__________?
- If there are a total of 120 mA into a parallel circuit consisting of three branches, and two of the branch currents are 40 mA and 10 mA, the third branch current is__________?
- The power dissipation in each of four parallel branches is 1.2 W. The total power dissipation is__________?