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 output voltage of a 3.00-V lithium cell in a digital wristwatch that draws 0.660 mA, if…
A:
Q: A piece of copper wire of resistance R is cut into 3 equal parts. When these three are connected in…
A: Given: The resistance of the copper wire is R. The copper wire cuts into three identical parts.
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: In an electrical circuit, what is the current (A) flowing through the wire if the initial voltage of…
A: Initial voltage, Vi = 18 V Final Voltage, Vf = 2Vi = 36 V Initial resistance, Ri = 35 Ohms Final…
Q: You have a circuit and you measure the current and find it is 9.51 micro A. You measure the…
A: Current, I = 9.51 μA = 9.51 x 10-6 A Voltage, V = 5.42 mV = 5.42 x 10-3 V Determine resistance R.
Q: When a 20.8-Ω resistor is connected across a 15.6-V battery, a current of 500 mA flows. What is the…
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 total resistance of 3.212 is to be produced by connecting an unknown resistance to a 12.16…
A: When resistors are connected in series, their equivalent resistance is given as R=R1+R2+... And when…
Q: What is the internal resistance of an automobile battery that has an emf of 12.0 V and a terminal…
A: the output voltage expression is,
Q: What is the diameter of a 1.00-m length of tungsten wire whose resistance is 0.12 Ω
A:
Q: The emf of a battery is 12.0 volts. When the battery delivers a current of 0.500 ampere to a load,…
A: Given data: The emf of battery is ε=12.0 V. The current delivered to load is I=0.5 A. The potential…
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: A certain wire has a resistance of 76 N. What is the resistance of a second wire, made of the same…
A: The given data are: R1=76 ΩL2=L4D2=D3
Q: Consider the terminal voltage of a 3.00 V lithium cell in a digital wristwatch that draws 29 mA.…
A: given: V=3.0 V Ii=29 mA = 29*10-3 ARi=1.8 Ω
Q: A 3.0 Ohm wire is 4.3 meters long. If the wire is cut in half, the resistance will be...?Explain.
A:
Q: 18. If you connect the resistors together as shown then what will be the equivalent resistance…
A:
Q: Suppose you measure the terminal voltage of a 1.560 V alkaline cell having an internal resistance of…
A:
Q: A battery has an emf of 9.09V and an internal resistance of 1.0822. What resistance connected across…
A: Given:emf of the battery, E = 9.09 Vinternal resistance, r = 1.08 Ωpower dissipated by external…
Q: What is the output voltage (in V) of a 3.0000 V lithium cell in a digital wristwatch that draws…
A:
Q: A (7.74x10^1) W, 110-V bulb is connected in parallel with a (4.250x10^1) W, 110-V bulb. What is the…
A:
Q: An auto mechanic needs to determine the emf and internal resistance of an old battery. He performs…
A: An old battery measurement by the voltmeter is 11.7VThe ammeter reading is 17.1A
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: An ammeter whose internal resistance is 57 Ω reads 4.75 mA when connected in a circuit containing a…
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: Two wires are identical, except that one is aluminum and one is copper. The aluminum wire has a…
A: Resistance of a wire in terms of its resistivity is given as R=ρLAρ is resistivity of the wireL is…
Q: Four 2.2 V cells are connected in series to a 8.0 N light bulb. If the resulting current is 0.75 A,…
A:
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
- A 2-V battery has 0.02 ohms internal resistance. It is attached to a 4 ohm resistor. What is the terminal voltage of the battery?A certain medical device has a resistance of 2 kilo-Ohm and is rated for 20 Watts. What is the maximum voltage, in V, it can safely handle?When a light bulb is connected to a 7.8 V battery, a current of 0.26 A passes through the light bulb. What is the resistance (in Ω) of the filament [round your final answer to zero decimal places]?
- You connect five identical resistors in series to a battery whose EMF is 12.0 V and whose internal resistance is negligible. You measure the current that the circuit draws from the battery and find 0.719 A. What are the resistance of each resistor and the potential difference across each resistor? resistance: potential difference: VThe circuit below contains two real batteries, each having significant internal resistance. Battery #1 has an EMF of 6.00 V and an internal resistance of 1.00 ohm. Battery #2 has an EMF of 12.00 V and an internal resistance of 2.00 ohms. These two batteries are connected in series with two resistors R, = 6.00 ohms and R,= 3.00 ohms. ri d (6.00,V) (1.00 0) R1 (6.00 N) R2 (3.00 N) a r2 E2 (2.00 Q) (12.00 V) 18. The current in the 12.00 Volt battery is equal to C. 0.500 A. A. 0.750 A. B. 1.00 A. D. 2.00 A. E. 1.50 A. 19. The potential difference across the terminals of battery #1 from point C to point d is equal to C. 7.00 V. A. 5.50 V. B. 6.00 V. D. 5.00 V. E. 6.50 V. 20. The potential difference across the terminals of battery #2 from point a to point b is equal to C. 13.00 V. A. 14.00 V. В. 10.00 V. D. 11.0 V. E. 12.00 V.