Lightbulb A has twice the resistance of Lightbulb B. Which lightbulb will shine brighter if placed in an ordinary household circuit? Would your answer change if the two lightbulbs were placed in a circuit together in series?

Q: Suppose you are using a multimeter (one designed to measure a range of voltages, currents, and…

A: A multimeter is used to measure voltages, currents and resistances in a circuit. It is a combination…

Q: What is the smallest possible resistance you can get by connecting a 40 Ohm, 60 Ohm, and 120 Ohm…

A: The smallest possible resistance will be obtained when the three resistors are connected in…

Q: Three resistors of 15ohms, 6ohms, and 10ohms are connected in parallel with one another. What is the…

A: Given data: Three resistors are connected in parallel R1 = 15 Ω, R2 = 6 Ω and R3 = 10 Ω Required:…

Q: A 4-ohm resistor and an 8-ohm resistor are connected in series. If the current through the 4-ohm…

A: In series circuit , current flowing through the all  components of circuit is same.   So if two…

Q: A heater and a lamp are connected in parallel to a 120 volt source.  If the heater draws 8 amps and…

A:

Q: In the circuit shown, how much voltage is used by 10V 6000 3000 10 V

A: Given-

Q: 10-floor apartment has an average of 12 electrical circuits per apartment, and there are 11…

A: Given number of floor =10 Number of apartment per floor =11

Q: What is the equivalent resistance in the parallel circuit shown below. Give the answer in Kilo 1 2 3…

A:

Q: The figure shows a circuit consisting of 3 parallel branches. The left branch consists of a series…

A:

Q: A 12 V battery powers a parallel circuit. Each loop has a resistor that causes a 3.5 V potential…

A:

Q: A 22 V battery powers a parallel circuit. Each loop has a resistor that causes a 10 V potential…

A: A 22 V battery powers a parallel circuit. Each loop has a resistor that causes a 10 V potential…

Q: Three resistors are available to be connected in into a circuit: 2 ohms, 4 ohms, and 8 ohms. Rank…

A: The objective of the question is to rank the combinations of resistors from the lowest equivalent…

Q: Consider the circuit diagram depicted in the figure. If the current through the top branch is I2 =…

A: Given, To find value of I3, we need to apply loop rule to loop abcdefgha.

Q: In the circuit shown, how much voltage is used by A? 500 D A O 7.27 V 10.4 V O 9.31 V 8.88 V 20V…

A:

Q: In the circuit shown, how much voltage is used by D? 10V A 100 B 200 C 300 D 400 2.5 V O 7.5 V 10 V…

A:

Q: Four resistors and a power supply are placed in a circuit as shown in the attached image. (a) What…

A:

Q: Answer the following questions using the circuit shown below, What is the total resistance of the…

A:

Q: Four resistors and a 6 V battery are arranged as shown in the circuit diagram below. What is the…

A: R1 = 53 Ω  R2 = 43 Ω R3 = 41  Ω R4 = 69 Ω

Q: 40 V-, 360 V 80 V 200 2 80 2 20 N 70 Ω

A: Let's consider the current through the first loop be I1  I2 be the current through the middle loop…

Q: A 56-Ω resistor in a circuit has a voltage difference of 8 V across its leads. Calculate the current…

A: Given: The potential difference is 8 V. The resistance of the circuit is 56 Ohm.

Q: What is the voltage difference across the 2.00 W resistor?

A: Potential difference across resistance V= IR

Q: All of the first five questions on this quiz deal with the circuit illustrated in the accompanying…

A:

Q: What is the equivalent resistance between points a and b? What voltage would a power source need to…

A:

Q: The voltage for the first battery is 4.0 V. The voltage for the second one is 3.0 V indicated in the…

A: The total current in the circuit is It=128.6197milli amps.Explanation: KIRCHHOFFS CURRENT LAW:  It…

Q: In circuit below, light bulbs A, B, and C are identical. What will happen when we close the switch…

A: All light bulbs are identical, let:RA​=RB​=RC​=RRecall the equivalent resistance of series and…

Q: Voltmeter is a device that measures the potential difference across two points in a circuit. To…

A: Voltmeter is connected in parallel to the resistor.reason:-reason is pretty straight forward , see…

Q: If a electrician measures the current of a circuit to be 100 Amps and the circuit is only designed…

A: According to Ohm's law, the current flowing in a circuit is directly proportional to the voltage…

Q: A strand of Christmas lights is a part of an electrical circuit. The strand of lights is plugged…

A: The Christmas lights will glow when the circuit is closed and switched is on.

Q: What is the resistance of the following circuit measured between points a and b? R1 R2 5k 5k R5 a 1k…

A: Given values: R1=5 kR2=5 kR3=2 kR4=2 kR5=1 k

Q: Three resistors and a 12 V power source are connected as shown in the circuit diagram below. What is…

A:

Q: A resistor draws 6 Amps when connected across a 12-V battery. What additional single resistor could…

A: Given :-   I = 6 amps . v = 12 v required current to get is 1.5 amp .

Q: current in a circuit as the resistance decreases

A: