The circuit below has a voltmeter that reads 6-V connected, in parallel, to resistor with unknown resistance R and an ammeter, connected in series with the same resistor, that has a reading of 3 mA. Calculate the resistance of resistor in ohms. V A R + 3.00 kN O 200 ohms; O 20 ohms; O 18 ohms; O 2000 ohms;

The circuit below has a voltmeter that reads 6-V connected, in parallel, to resistor with unknown resistance R and an ammeter, connected in series with the same resistor, that has a reading of 3 mA. Calculate the resistance of resistor in ohms. V A R + 3.00 kN O 200 ohms; O 20 ohms; O 18 ohms; O 2000 ohms;

Inquiry into Physics

8th Edition

ISBN:9781337515863

Author:Ostdiek

Publisher:Ostdiek

Chapter7: Electricity

Section: Chapter Questions

Problem 26Q: (Indicates a review question, which means it requires only a basic understanding of the material to...

See similar textbooks

Similar questions

(Indicates a review question, which means it requires only a basic understanding of the material to answer. Questions without this designation typically require integrating or extending the concepts presented thus far.) . A solid metal cylinder has a certain resistance. It is then heated and carefully stretched to form a longer, thinner cylinder. After it cools, will its resistance be the same as, greater than, or less than what it was before? Explain our choice.
The voltage V (volts), current I (amperes), andresistance R (ohms) of an electric circuitare related by the equation V = IR. Suppose that V is increasing atthe rate of 1 volt/sec while I is decreasing at the rate of 1/3 amp/sec. Let t denote time in seconds. What equation relates dR/dt to dV/dt and dI/dt?
Given the circuit below where a battery with EMF 12 V and internal resistance 2 ohms is energizing a 4-ohm resistor, what will be the current and voltage Va-b?
A voltage 7 V is applied to a device of resistance R; and the current through the device is i. If thedevice obeys Ohm’s law, what will be the outcome if the voltage is increased to 14 V?
A circuit design calls for a 1.5-kΩ resistor to have 4.7 V across its terminals. What would he the expected current? The circuit is built and the resistance is measured at 1500 Ω and the voltage at 4.7 V. What is the current through the resistor?
The voltage V (volts), current I (amperes), andresistance R (ohms) of an electric circuitare related by the equation V = IR. Suppose that V is increasing atthe rate of 1 volt/sec while I is decreasing at the rate of 1/3 amp/sec. Let t denote time in seconds. What is the value of dI/dt?
What is the power in a circuit if a 30-V battery is connected to a 10-Ω resistor? Find the power loss in a given circuit diagram?
What is the current through three resistors R=30⁢Ω connected in series across a 10-V battery?
For a heater rated at 4 kW and 220 V, calculate: (i) the current;
A piece of resistance wire, 15.6 m long and of cross-sectional area 12 mm², passes a current of 7.9 A when connected to de supply at 240 V. Calculate the resistivity of the wire?
A piece of 12-gauge copper wire has a length of 22.25 m. Using the included image as reference, what is the resistance, in ohms, of the given length of wire?
What’s the voltage across a 3.0-ohm resistor with a current of 1.0 A going through it?