A uniform wire is cut into three parts with their lengths in the ratio 2:3:6. The ends of each of these three parts are connected across an ideal battery of 10 V. If a current of 5 A is drawn from the battery, find the initial resistance of the wire.
Q: potential difference of 12 V is found to produce a current of 0.41 A in a 3.5 m length of wire with…
A:
Q: A copper wire of length L has a resistance R. The wire is passed through a small metal ring,…
A: Given data: The length of wire is L. The resistance is R.
Q: what diameter must be chosen for the new wire?
A: Given: Initial length of wire is Li=4.635 m Initial diameter of wire is di=6.53 mm Length of new…
Q: An advanced lab student is studying the effect of temperature on the resistance of a current…
A: The solution is attached below. i= 3.404AExplanation:
Q: A certain resistor has a uniform cross-sectional area of 5.0 mm 2 and a resistivity of 2x10 -6 Ω-m.…
A: V=Potential=15 VI=Current=4×10−3 AA=Area of wire=5 mm2ρ=Resistivity=2×10−6 ΩmL=Length of wire
Q: A wire with a resistance of 4.7 Ω is drawn out through a die so that its new length is 3 times its…
A: Given value--- A wire with a resistance of 4.7 Ω is drawn out through a die so that its new length…
Q: A potential difference of 11 V is found to produce a current of 0.38 A in a 3.5 m length of wire…
A:
Q: Es E2
A: Given values: R 1 = 2.00 kΩ, = 2000 ΩR 2 = 3.00 kΩ, = 3000 ΩR 3 = 8.00 kΩ = 8000 Ωε1 = 77.0 V, ε2…
Q: A resistor is attached in a simple circuit (see Figure below) to an ideal battery that has AV = 10…
A:
Q: Birds resting on high-voltage power lines are a common sight. The copper wire on which a bird stands…
A: Given: The diameter of the copper wire = 1.9 cm Current in the copper wire = 51 A Distance between…
Q: A 1.50 m cylindrical rod of diameter 0.500 cm is connected to a power supply that maintains a…
A:
Q: A straight, cylindrical wire lying along the x axis has a length of 0.411 m and a diameter of 0.7…
A: Given Length of the wire , L= 0.411 m Diameter of the wire , d= 0.7 mm Resistivity of the…
Q: A 60 W lightbulb typically has a current of 0.50 A flowing through it. Calculate (a) the number of…
A: Given, current, I = 0.50 A Power, W = 60 W
Q: A potential difference of 14 V is found to produce a current of 0.42 A in a 3.2 m length of wire…
A:
Q: The resistance of a 10 meters length of wire is 1.2 kΩ. Determine (a) the resistance of a 5 meters…
A: length = l1 = 10 m resistance = R1= 1.2 kΩ
Q: A straight, cylindrical wire lying along the x axis has a length of 0.450 m and a diameter of 0.165…
A:
Q: In a discharge tube, the number of hydrogen ions 18 (i.e., protons) drifting across a cross-section…
A:
Q: Suppose that the resistance between the walls of a biological cell is 5.1 × 109 Ω. (a) What is the…
A: Required : (a) What is the current when the potential difference between the walls is 76 mV? (b) If…
Q: Suppose that the resistance between the walls of a biological cell is 5.9 × 109 Ω. (a) What is the…
A: Given that:- Resistance between the walls of a biological cell=5.9×10^9 ohm
Q: An 18-gauge copper wire (ρ = 1.230 X10 -6Ωm) has a diameter of 1.02 mm. It carries a current of 1.67…
A: Given data: Resistivity (ρ) = 1.230 × 10-6 Ωm Diameter (d) = 1.02 mm = 1.02 × 10-3 m Current (I) =…
Q: person notices a mild shock if the current along a path through the thumb and index finger exceeds…
A: V = IR
Q: A 35.1-m length of copper wire at 20.0°C has a radius of 0.29 mm. If a potential difference of 8.00…
A: Given: Length of the wire, L = 35.1 mInitial temperature, T0 = 20°CRadius, r = 0.29 mm = 0.29×10-3…
Q: A wire with a resistance of 7.6 S is drawn out through a die so that its new length is 3 times its…
A:
Q: In the figure, take R 1 = 2.00 kΩ, R 2 = 3.00 kΩ, R 3 = 8.00 kΩ and ε 1 = 77.0 V, ε 2 = 57.0 V, ε 3…
A:
Q: The resistance of a copper wire at 20 degrees is 40Ω. The length of an aluminum wire is 6 times the…
A:
Q: The capacitor in the flash of a disposable camera has a value of 165 μF. What is the resistance of…
A:
Q: The heating element of an electric toaster is typically made of nichrome wire (an alloy of nickel…
A: The resistance is given by R = ρLA where, L is the length and A is the area, ρ is the resistivity.
Q: A wire with a resistance of 8.6 Ω is drawn out through a die so that its new length is 3 times its…
A: Relation between resistance and resistivity is,
Q: In the circuit shown, the batteries have negligible internal resistance. Find (a) the current…
A: Her we can apply KVL and KCL to find the current through each branch.
Q: A potential difference of 12 V is found to produce a current of 0.35 A in a 3.3 m length of wire…
A:
Q: A toaster has a Nichrome (a-4.5x10* °C) heating element that has a resistance of Ro- 80 n at a…
A: Given data: Resistance R0=80Ω Temperature T0 =20°C Coefficient of temperature α=4.5×10-4°C-1…
Q: Suppose that the resistance between the walls of a biological cell is 4.0 × 102. (a) What is the…
A: (a) The problem provides us with the resistance R of a biological cell and the potential difference…
Q: The emf of a battery is E = 18 V. When the battery delivers a current of 0.3 A to a load, the…
A:
Q: A potential difference of 13 V is found to produce a current of 0.43 A in a 3.6 m length of wire…
A: Given, potential difference =13 v current =i=0.43A length =l=3.6 m radius =r=0.39 cm Let resistance…
Q: The potential difference across the terminals of a battery is 20V when the circuit is open. When a…
A: The internal resistance of the battery can be calculated using ε=V+Ir…
Q: A potential difference of 11 V is found to produce a current of 0.42 A in a 2.8 m length of wire…
A:
Q: An electric lamp whose resistance, when in use, is 2 Q is connected to the terminals of a dry cell…
A: Write the variable with the given values.
Step by step
Solved in 2 steps