Answered: What is the sensitivity of the…

What is the sensitivity of the galvanometer (that is, what current gives a full-scale deflection) inside a voltmeter that has a 1.00-M Ω resistance on its 30.0-V scale?

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter10: Direct-current Circuits

Section: Chapter Questions

Problem 49P: The timing device in an automobile's intermittent wiper system is based on an RC rime constant and...

See similar textbooks

Related questions

Q: What physical quantity do resistors connected in parallel have incommon?

A: resistors connected in parallel

Q: When applying Kirchhoff’s loop rule, does the sign (or direction) of a battery’s emf depend on the…

A: When applying Kirchhoff’s loop rule, does the sign (or direction) of a battery’s emf depend on the…

Q: What is the power dissipated in the 202 resistor when = 20 V? 40 N 30 Ω 30 2 30 2 Lum 20 N

A: The electrical power is given by P = I2 R where, I is the current and R is the resistance. The…

Q: When a voltmeter is connected across the terminals of a resistor, what usually happens to the…

A: When voltmeter is connected across the resistor, then the potential difference across the resistor…

Q: A galvanometer has a coil resistance of Rgalv V = 275.0 V. If the galvanometer deflects full scale…

Q: A galvanometer has a coil resistance of Rgalv=97.2 Ω. It is to be made into an ammeter with a…

Q: When does an incandescent lightbulb carry more current, (a) immediately after it is turned on and…

Q: For the following circuit in the fiqure below, What is the current (in units of A) in the 10-0…

A: First find the equivalent resistance of the circuit, The resistance 5Ω, 10Ω and 5Ω are connected in…

Q: What is the maximum power consumption of a 3.0-V portable CD player that draws a maximum of 240 mA…

A: Given voltage= 3.0 V maximum current = 240 mA = 0.240 A We have to calculate the maximum power…

Q: The student engineer of a campusradio station wishes to verifythe effectiveness of the lightningrod…

A: Draw the circuit diagram for the resistance first measurement is shown below.

Q: What current I is needed to transmit 145 MW of power over a transmission line held at a voltage of…

A: Question ? What current I is needed to transmit 145 MW of power over a transmission line held at a…

Q: Consider the circuit shown in the figure below, where L- 5.30 mH and R, - 455 0. The switch 5 can be…

Q: What is the value of the unknown voltage indicated in the picture. Assume that the wire connected to…

A: The unknown voltage indicated in the picture.

Q: Suppose that each headlight of a car uses 3 A and that the driver accidentally left the headlights…

A: The headlight of the car uses 3A Battery =12v To find the time taken for the battery

Q: A heater is rated as 230 V, 10 kW, A.C. The value 230 V refers to O a. r.m.s. voltage b. none of…

A: A heater is rated as 230 V, 10 kW, A.C. The value 230 V refers to

Q: 9. A Galvanometer has an internal resistance of 120 ohm with a maximum allowed current of 250 µA. If…

A: Answer is Option (a) The expression used to calculate shunt resistance is S=IgGI-Ig

Q: Suppose that each headlight of a car uses 3 A and that the driver accidentally left the headlights…

Q: Verify that the units of a volt-ampere are watts, as implied by the equation P = IV .

A: The unit of power =W (Watt) Unit of current =A (Ampere) Unit of voltage =V (Volts)

Q: When a 1-Ω resistor, a 2-Ω resistor, and a 3-Ω resistor, are connected in series to a common DC…

A: Draw the circuit diagram of the arrangement as:

Q: Suppose that you have a 580ohms, and 790ohms and a 1.20kOhms resistor. What is the maximum and the…

Q: You are told that a certain voltage will be between 3 V and 5 V, and are given a non- autoranging…

Q: A 1 150 - W toaster and an 825 - W microwave oven are connectedin parallel to the same 20.0 - A, 120…

A: a)Formula to calculate toaster’s resistance R is,

Q: When a voltmeter is connected across the terminals of a resistor, what usually happens to the…

A: The voltmeter is a device which is used to measure the potential difference between two points.

Q: Hi, here's my question. 26.40: In the figure, a battery (e=36.0 V), resistor (120 W), and a…

A: Given:Emf of the battery = 36 VResistance = 120 ohmCapacitance = 5 mF

Q: What is the purpose of the resistor connected in series with the galvanometer in a Wheatstone…

A: At the instant, when a galvanometer is connected with a high resistance resistor in series then it…

Q: The figure below shows a circuit with an open switch, an emf device, E = 11 V, and a resistor, R =…

Q: In view of the small currents that cause shock hazards and the larger currents that circuit breakers…

A: Fuses and circuit breakers work on the principle of heating of electric current.

Q: Find the power dissipated by the 45- ohm resistor (^ SEURS. D) ww R1 50 Ω +V2 220 V TUOTE R4 200 Ω…

Q: Based on your understanding of Ohm’s Law, electric power dissipation, and the relationship between…

A: Ohm's law states that Voltage V is directly proportional to the current I across a circuit. V=IR…

Q: Why can a null measurement be more accurate than one using standard voltmeters and ammeters? What…

Q: How much power is produced with a 10 Volt battery delivering its current to a 10 Ohm resister?

A: Given : Voltage = 10 V Resistor = 10 Ohm Required : Power, P

Q: In a certain stereo system, each speaker has a resistance of 4.00 Ω. The system is rated at 60.0 W…

Q: A Galvanometer has an internal resistance of 120 ohm with a maximum allowed current of 250 µA. If…

A: The expression to calculate shunt resistance is. S=IgGI-Ig

Q: Your laptop has a power rating of 100 W. If your laptop represents a resistance of 1.91 kQ, what is…

A: Given data: Power (P) = 100 W Resistance (R) = 1.91 kΩ = 1910 Ω Required: The maximum current (I)

Q: Your RL circuit has a characteristic time constant of 20.0 ns, and a resistance of 5.00 MΩ. What…

A: (a) t = 20 ns Resistance, R = 5.00 MΩ Let the inductance is L. the time constant is given by τ =…

Q: A flashlight with a resistance RF requires 4 V to operate normally, but only a 12 V source is…

Q: Q-19: A galvanometer has resistance of 40 2 and it can give full scale deflection for0.025A. What…

A: Resistance of galvanometer , G = 40 Ω Current for full scale deflection , Ig = 0.025 A Volt-meter…

Q: 5.94 Find the Thévenin equivalent circuit of the network in sea Fig. P5.94 at the terminals A-B.…

A: Resistances of the circuits are R1=3 ΩR2=5 ΩR3=9 ΩR4=7 ΩR5=6 Ω

Q: A skow cooker designed for and used in Europe, where outlets provide 230 Volts, alows 1.4 Amps of…

A: Given data The voltage in Europe is given as Ve = 230 V. The current allows in Europe is given as I…

Q: If you were to place a 3kΩ resistor across a 9 volt battery, what is the power dissipated from this…

A: Given data: Resistance (R) = 3 kΩ = 3000 Ω Battery (V) = 9 V Required: Power (P)

Q: What is true in general about the voltage (potential) supplied by the battery compared with the drop…

Q: Suppose that each headlight of a car uses 3 A and that the driver accidentally left the headlights…

A: Energy stored in battery is given by, E=VIt Here, V is voltage, I is current and t is time. Energy…

Q: A galvanometer has a coil resistance of Realy = 41.4 Q. It is to be made into a voltmeter with a…

A: Given Data: The resistance of galvanometer is, RG =41.4 Ω. The full scale voltage of voltmeter is,…

Question

What is the sensitivity of the galvanometer (that is, what current gives a full-scale deflection) inside a voltmeter that has a 1.00-M Ω resistance on its 30.0-V scale?

Expert Solution

Step 1

Given

The value of resistance is R = 1 MΩ.

The voltage shown in the voltmeter is V = 30 V.

The current which gives a full deflection can be calculated by ohms law,,

Step by step

Solved in 2 steps with 2 images

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.

Similar questions

What is the sensitivity of the galvanometer (that is, what current gives a full-scale deflection) inside a voltmeter that has a 25.0-k Ω resistance on its 100-V scale?
What is the sensitivity of the galvanometer (that is, what current gives a full-scale deflection) inside a voltmeter that has a 1.00-MΩ resistance on its 30.0-V scale?
An astronaut uses a small motor, rated at 93% efficient, that is connected to a 12-volt [V] power supply on Mars. The motor has a resistance rating of 2.3 kiloohms [kΩ]. How long will it take to produce 3.4 calories [cal] of energy in units of minutes [min]?
Suppose that each headlight of a car uses 3A and that the driver accidentally left the headlights on. How long will it take for a 12 V battery rated 80 A h to be fully discharged?
How much does it cost (in ₱) to operate a 670-W split-type inverter air conditioner for 8 in 30 days, if the energy costs ₱9.0/kWh?
When a voltmeter is connected across the terminals of a resistor, what usually happens to the potential difference across the resistor? What does the answer to this question suggest concerning a desirable design for voltmeters?
When applying Kirchhoff’s loop rule, does the sign (or direction) of a battery’s emf depend on the direction of current through the battery? What about the terminal voltage?
When a voltmeter is connected across the terminals of a resistor, what usually happens to the potential difference across the resistor? What does the answer to this question suggests concerning a desirable design for voltmeters?
Imagine a hypothetical universe where Ohm's law still holds true, but the nature of matter allows for electrical resistors to possess negative resistance values. In such a universe, how would the rules for combining resistors in series and parallel change? Furthermore, how could this altered physics influence the functioning of basic electrical circuits and energy conservation principles?
In the circuit below each capacitor initially has a charge of magnitude 3.50 nC on its plates. After the switch S is closed, what will be the current in the circuit at the instant that the capacitors have lost 80.0% of their initial stored energy?
What is the purpose of the resistor connected in series with the galvanometer in a Wheatstone bridge? What would happen if it were initially set to 0 ohms rather than to 500 ohms?
What is the maximum voltage, in V, that a 30 Ohm light bulb can handle if it is rated for 60 W?