A wire of length 10 m is connected to a battery. If the diameter of the...
7) A 4.0 m length of gold wire is connected to a 1.5 V battery, and a current of 4.0 mA flows through it. What is the diameter of the wire? (The resistivity of gold is 2.44 × 10-8 Ω·m.) A) 17 µm B) 8.5 µm C) 48 µm D) 9.0 µm
A 2.0m length of metal wire is connected to a 1.5 V battery, and a current of 5.0mA flows through it. What is the diameter of the wire? (The resistivity of metal is 2.24
When a wire that has a large diameter and a length L is connected across the terminals of an automobile battery, the current is 40 A. If we cut the wire to half of its original length and connect one piece that has a length L/2 across the terminals of the same battery, the current will be: A) 160A B) 40A C) 10A D) 80A E) 20A Thank you so much!
1. The terminals of a 0.70 V watch battery are connected by a 130-m-long gold wire with a diameter of 0.100 mm . What is the current in the wire? Express your answer using three significant figures in mA 2. A waterbed heater uses 500 W of power. It is on 35 % of the time, off 65 % .What is the annual cost of electricity at a billing rate of $0.12 per kWhr? Express your answer using two significant...
A battery is used in an experiment and is connected by a 73.0 cm long gold wire with a diameter of 0.110 mm. If the battery has a voltage of 1.60 V and the resistivity of the wire is 2.4×10-8 Ω m, what is the current in the wire? Current in Amperes is (don't add units):
A battery is used in an experiment and is connected by a 73.0 cm long gold wire with a diameter of 0.110 mm. If the battery has a voltage of 1.60 V and the resistivity of the wire is 2.4×10-8 Ω m, what is the current in the wire? Current in Amperes is (don't add units): It is not 1.7
The terminals of a 0.70 V watch battery are connected by a 140-m-long gold wire with a diameter of 0.200 mm . What is the current in the wire? answer should be in mA
The terminals of a 0.70 V watch battery are connected by a 120-m-long gold wire with a diameter of 0.150 mm . What is the current in the wire? STEP BY STEP EXPERT ANSWER PLEASE
A cylindrical wire has length 60 cm, diameter 9.0 mm, and resistivity 3.0 x 10-4 2m. When the wire is connected across the terminals of a battery, the magnitude of electric field inside the wire is 15 V/m. (a) (b) Calculate the current in the wire and the power dissipated in the wire. Include SI units with each answer. (10 points) In five minutes, how much charge passes through the wire, how many electrons are contained in this amount of...
A nine-volt battery is connected to a thin wire (r=.0005 m, length = 1.50 m) of unknown metal. A current meter indicates that the current flowing is 3.14 A. a. What is the resistivity of the wire? b. How thick would the wire have to be (radius) in order for the same amount of current to flow (3.14 A) if the wire were 6.00 m long?