Number 1Number 2Number 3Number 4Number 5 1. A battery labeled 12 V supplies 1.90 A of current. What is its resistance?2. How much current is drawn from a 12 V battery when a 15 Q resistor is connected to tieterminals?3. What voltage must a battery have to produce a 0.50 A current through a 20 resistor?4. What is the voltage of a battery have to produce a 0.50 A current through a 2 Q resistor?5. An electric heater carries a current of 13.5 A when operating a voltage of 1.2 X10² V.What is the resistance of the heater?D. Factors Affecting Wire Resistance1. Nichrome wire of cross-sectional radius 0.791 mm is to be used in winding a heatingcoil. If the coil must carry a current of 9.25 A when a voltage of 1.2 X10² V is appliedacross its ends. Finda) The required resistance of the coilb) The length of the wire you must use to wind the coil2. A wire of diameter 0.8 mm and length 25 m has a measured resistance of 1.6 m. What isthe resistivity of the wire?3. A voltage of 12 V is found to produce a current of 0.40 A in a 3.2 m length of wire with auniform radius of 0.40 cm. What isa) the resistance of the wire?b) the resistivity of the wire?

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1. A battery labeled 12 V supplies 1.90 A of current. What is its resistance? 2. How much current is drawn from a 12 V battery when a 150 resistor is connected to tie terminals? 3. What voltage must a battery have to produce a 0.50 A current through a 2 Q resistor?

1. A battery labeled 12 V supplies 1.90 A of current. What is its resistance? 2. How much current is drawn from a 12 V battery when a 150 resistor is connected to tie terminals? 3. What voltage must a battery have to produce a 0.50 A current through a 2 Q resistor?

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Question

Number 1

Number 2

Number 3

Number 4

Number 5

1. A battery labeled 12 V supplies 1.90 A of current. What is its resistance?
2. How much current is drawn from a 12 V battery when a 15 Q resistor is connected to tie
terminals?
3. What voltage must a battery have to produce a 0.50 A current through a 20 resistor?
4. What is the voltage of a battery have to produce a 0.50 A current through a 2 Q resistor?
5. An electric heater carries a current of 13.5 A when operating a voltage of 1.2 X10² V.
What is the resistance of the heater?
D. Factors Affecting Wire Resistance
1. Nichrome wire of cross-sectional radius 0.791 mm is to be used in winding a heating
coil. If the coil must carry a current of 9.25 A when a voltage of 1.2 X10² V is applied
across its ends. Find
a) The required resistance of the coil
b) The length of the wire you must use to wind the coil
2. A wire of diameter 0.8 mm and length 25 m has a measured resistance of 1.6 m. What is
the resistivity of the wire?
3. A voltage of 12 V is found to produce a current of 0.40 A in a 3.2 m length of wire with a
uniform radius of 0.40 cm. What is
a) the resistance of the wire?
b) the resistivity of the wire?

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