A certain wire has a resistance 9 Ω. What is the resistance of a second wire, made of the same material, that is half as long and 1/2 the diameter. Enter units as ohms.
Q: What is the total resistance of two resistors, R1 = 4.6 Ω and R2 = 7.9 Ω when they are connected in…
A:
Q: Three resistors, 28, 46, and 76 Ω, are connected in series, and a 0.49-A current passes through…
A: (a) Since the resistors are connected series, the equivalent resistance is the sum of the given…
Q: The potential difference across a resistor in a particular electric circuit is 300 V. The current…
A:
Q: 20. A conductor of cross-sectional area A, length l, and resistivity ρ has resistance R. What is the…
A:
Q: You have a simple circuit consisting of a battery and a lightbulb (you can imagine that this circuit…
A: Answer Here, we have a simple circuit Consisting of a battery and…
Q: A miliammeter has a resistance of 10 2 and has a range of 0.25 mA. How will you convert it into a…
A: To Convert: Miliammeter into voltmeter Given: Resistance of miliammeter (G) = 10 ohm Voltage (V) =…
Q: A rechargeable battery is labeled for 12 V and 1600 mAh*. How much charge can the battery supply at…
A:
Q: When connected in parallel, two resistors have an equivalent resistance of 119 Q. The same two…
A:
Q: You measure an object's resistance (with an ohmmeter or multimeter), and get 120 Ω. Then you…
A: As we can see from diagram the actual resistance of object must be equal to Resistance in first fig…
Q: A platinum wire has a resistance of 79.6 ohms at 28oC. At what temperature will the resistance of…
A: initial temperature = t1 = 280 c initial resistance = R1 = 79.6 Ohms final temperature = t2 = ?…
Q: The value of the voltage terminals of the battery is 4 V. There is a current of 3.0 A in the battery…
A:
Q: Two resistors with resistances of 22 Ω and 17 Ω are connected in series. The series combination is…
A:
Q: Two resistances R1 = 10 ΩΩ and R2 = 20 ΩΩ are in parallel. What is the equivalent resistance?
A:
Q: The EMF of the battery is 1.4 V and its internal resistance is 12 N. It is connected to an external…
A:
Q: conductor has radius of 1.50 cm. How many centimeters of a material with 3.00 x 10^-2 Ω•m…
A:
Q: the circuit below, all four resistors are identical (R, = R, - R, - R - R) and the battery has a…
A: “Since you have asked multiple question, we will solve the first question for you. If you want any…
Q: Two resistors are connected in parallel with an 43 volt battery. The resistors have values of R1 =…
A: Given data: Battery voltage (V) = 43 V Two resistors are connected in parallel combination R1 = 32…
Q: Copper wiring in a house usually has a diameter of approximately 1.5mm. What length of copper wire…
A: Given that - Diatmeter of copper wire(D) =1.5mm=1.5*10^-3m Resistance(R)=1.0 ohm Resistivity of…
Q: The emf of a cell falls from 3 volts to 2.8 volts when it's terminals are joined to an electrical…
A: The total EMF of a cell is equal to the potential drop across the external load of the circuit plus…
Q: An electrician plans to cut a copper wire with more than 10Ω resistance (p=1.724*10-8m). The radius…
A:
Q: A 10.0 V battery is connected across two resistors in series. If the resistods have resistances of…
A:
Q: Q12 A copper wire has a resistance of 0.60. Another copper wire of the same mass as the first one is…
A:
Q: You R1 R2 ミ20v 15 Q What is the equivalent resistance of the parallel circuit if R2 is 17 ohms?…
A:
Q: What is the diameter of a 7 m length of tungsten wire whose resistance is 3 ohms? Give your answer…
A: Data Given , Length of the wire ( L ) = 7 m Resistance of the wire ( R ) = 3 ohms Let , The…
Q: When a light bulb is connected to a 4.3 V battery, a current of 0.11 A passes through the light…
A:
Q: 100 N 200 N 150 2 24 V a. Determine the total equivalent resistance b. Calculate the voltage across…
A: When the total resistance is connected in parallel or series, it is called equivalent resistance.
Q: A flash unit for a camera has a capacitance of 1300 µF. What resistance is needed in this RC circuit…
A:
Q: 1. A) What is internal resistance of an automobile battery that has an emf of 9.0 V and terminal…
A: During charging state, electromotive force and terminal voltage is related as:- V = E + ir Where V…
Q: A resistor of 9 ohms is carrying a current of 4 amperes. What is the voltage that would be…
A: Given data: Resistance (R) = 9 Ω Current (I) = 4 A Required: Voltage (V)
Q: Light bulbs of the same material and properties are connected in parallel to a battery. Each of the…
A:
Q: In the figure resistor 1 = 126 2, resistor 2 = 81 2, and the ideal batteries have emfs ɛ1 = 29…
A: I=ER
Q: Wire 1 has a resistance of 0.3 ohms. Wire 2 is made of the same material as wire but is three times…
A: Given information:Resistance of the wire 1 = 0.3 ohmLength of wire 1 be “l”The diameter of wire 1 be…
Q: circuit consists of three resistors connected in series to a 24 V battery. The current is 0.032 A.…
A:
Q: The emf of a cell falls from 3 volts to 2.8 volts when it's terminals are joined to an electrical…
A: The internal resistance is in series with the ideal emf of the cell. Let the idealemf be ε and the…
Q: When a light bulb is connected to a 6 V battery, a current of 0.32 A passes through the light bulb.…
A: Given data: Voltage (V) = 6 V Current (I) = 0.32 A Required: Resistance (R)
Q: A copper wire has a diameter 6.5 mm and resistivity 1.6 x 10^-8 Om. What will be the length of this…
A:
Q: When resistors 1 and 2 are connected in series, the equivalent resistance is 12.8 Ω. When they are…
A:
Q: 1. A battery has an emf of 14.0 V and an internal resistance of 0.08 N. Its terminals are connected…
A: Given, Emf = 14 V Internal resistance r = 0.08 ohm Load resistance R = 3 ohm
Q: The tungsten filament of a lightbulb has a resistance of 0.07 Ω. Ifthe filament is 27 cm long, what…
A: resistance, R = 0.07 Ω length, L = 27 cm = 0.27 m
A certain wire has a resistance 9 Ω. What is the resistance of a second wire, made of the same material, that is half as long and 1/2 the diameter. Enter units as ohms.
Trending now
This is a popular solution!
Step by step
Solved in 3 steps