Why should you use the highest range of an ammeter for the initial measurement?

Why should you use the highest range of an ammeter for  the initial measurement?
by

1 Answer

Answer :

To prevent damage to the meter movement from excessive  current.
by

Related questions

What range of an ammeter is selected for the final measurement?

Description : What range of an ammeter is selected for the final measurement?

Last Answer : A range that allows a meter reading near the center of the scale.

In order to increase its range of measurement, a resistance would be placed in series with which of the following instruments? A. DC voltmeter B. DC ammeter C. frequency meter D. power factor meter

Description : In order to increase its range of measurement, a resistance would be placed in series with which of the following instruments? A. DC voltmeter B. DC ammeter C. frequency meter D. power factor meter

Last Answer : Answer: A

The measurement range of an ammeter can be increased by using a:

Description : The measurement range of an ammeter can be increased by using a:

Last Answer : The measurement range of an ammeter can be increased by using a: low resistance in shunt

On what range should you set the voltmeter prior to taking a voltage measurement?

Description : On what range should you set the voltmeter prior to taking a voltage measurement?

Last Answer : Highest.

What radar scope uses a range step for range measurement?

Description : What radar scope uses a range step for range measurement?

Last Answer : The A scope.

The device used ' for the measurement of current, voltage and resistance is: A. AVO meter B. Galvanometer C. Ammeter D. Ohm meter

Description : The device used ' for the measurement of current, voltage and resistance is: A. AVO meter B. Galvanometer C. Ammeter D. Ohm meter

Last Answer : ANSWER: A

Instruments of Measure The device used ' for the measurement of current, voltage and resistance is: A. AVO meter B. Galvanometer C. Ammeter D. Ohm meter

Description : Instruments of Measure The device used ' for the measurement of current, voltage and resistance is: A. AVO meter B. Galvanometer C. Ammeter D. Ohm meter

Last Answer : ANSWER: A

The device used ' for the measurement of current, voltage and resistance is: A. AVO meter B. Galvanometer C. Ammeter D. Ohm meter

Description : The device used ' for the measurement of current, voltage and resistance is: A. AVO meter B. Galvanometer C. Ammeter D. Ohm meter

Last Answer : ANSWER: A

The device used ' for the measurement of current, voltage and resistance is: A. AVO meter B. Galvanometer C. Ammeter D. Ohm meter

Description : The device used ' for the measurement of current, voltage and resistance is: A. AVO meter B. Galvanometer C. Ammeter D. Ohm meter

Last Answer : ANSWER: A

Clamp on ammeter is used for measurement of:

Description : Clamp on ammeter is used for measurement of:

Last Answer : Clamp on ammeter is used for measurement of: large alternating currents

Is an ammeter connected in series or in parallel with the circuit under test?

Description : Is an ammeter connected in series or in parallel with the circuit under test?

Last Answer : . In series.

Why will an ammeter be damaged if connected in parallel with the circuit to be measured?

Description : Why will an ammeter be damaged if connected in parallel with the circuit to be measured?

Last Answer : Since the ammeter has a small resistance compared to the load, it will have very high current if it is connected in parallel. This high current will damage the meter.

What is used to allow an ammeter to measure different ranges?

Description : What is used to allow an ammeter to measure different ranges?

Last Answer : Shunt resistors (internal or external).

What is ammeter sensitivity?

Description : What is ammeter sensitivity?

Last Answer : The amount of current that will cause full-scale deflection.

How does an ammeter affect the circuit being measured?

Description : How does an ammeter affect the circuit being measured?

Last Answer : Since the ammeter is a resistor in series with the load, it increases the resistance of the circuit and lowers circuit current.

How is an ammeter connected to the circuit under test?

Description : How is an ammeter connected to the circuit under test?

Last Answer : In series.

What electrical property does an ammeter measure?

Description : What electrical property does an ammeter measure?

Last Answer : Current.

An ammeter should always be connected so that current will flow into what terminal and out of what terminal?

Description : An ammeter should always be connected so that current will flow into what terminal and out of what terminal?

Last Answer : Negative, positive

Why should you always use the highest range when connecting a voltmeter to a circuit?

Description : Why should you always use the highest range when connecting a voltmeter to a circuit?

Last Answer : To prevent excess current through the meter movement.

A voltmeter of range 2 V and resistance `300 Omega` cannot be converted into ammeter of range

Description : A voltmeter of range 2 V and resistance `300 Omega` cannot be converted into ammeter of range

Last Answer : A voltmeter of range 2 V and resistance `300 Omega` cannot be converted into ammeter of range A. `1 A` B. `1 mA` C. `100 mA` D. `10 mA`

A milli voltmeter of 25 milli volt range is to be converted into an ammeter of 25 ampere range. The value (in ohm) of necessary shunt will be

Description : A milli voltmeter of 25 milli volt range is to be converted into an ammeter of 25 ampere range. The value (in ohm) of necessary shunt will be

Last Answer : A milli voltmeter of 25 milli volt range is to be converted into an ammeter of 25 ampere range. The value (in ohm) ... 001` B. `0.01` C. 1 D. `0.05`

A DC ammeter has resistance `0.1 Omega` and its current ranges `0-100 A`. If the range is to be extended to `0-500`, then the following shunt resistan

Description : A DC ammeter has resistance `0.1 Omega` and its current ranges `0-100 A`. If the range is to be extended to `0-500`, then the following shunt resistan

Last Answer : A DC ammeter has resistance `0.1 Omega` and its current ranges `0-100 A`. If the range is to be extended ... Omega` C. `0.025 Omega` D. `0.25 Omega`

A galvanometer of 65 Ω resistance gives full scale deflection with 4 mA current. In order to convert it into ammeter, the range of 10 A is connected with it, the shunt resistance should be a) 0.1 Ω b) 0.2 Ω c) 0.06 Ω d) 0.03 Ω

Description : A galvanometer of 65 Ω resistance gives full scale deflection with 4 mA current. In order to convert it into ammeter, the range of 10 A is connected with it, the shunt resistance should be a) 0.1 Ω b) 0.2 Ω c) 0.06 Ω d) 0.03 Ω

Last Answer : d) 0.03 Ω

How range of A.C. ammeter & A.C. voltmeter is extended? Draw suitable diagram.

Description : How range of A.C. ammeter & A.C. voltmeter is extended? Draw suitable diagram.

Last Answer : Extension of A.C. Ammeter Range: The range of a.c. ammeter can be extended by using CT, the arrangement is shown in figure. The CT is current transformer having less number of primary turns carrying high ... high magnitude of source voltage. In this way range of a.c. voltmeter can be extended.

An ammeter has a current change of 0—5A and its internal resistance is 0.2 ohm. In order to Change the range

Description : An ammeter has a current change of 0-5A and its internal resistance is 0.2 ohm. In order to Change the range to 0-25 A, wear need to add a resistance of  A) 0.8 ohm in series with the meter B) ... series with the meter C) 0.04 ohm in parallel with the meter D) 0.05 ohm in parallel with the meter

Last Answer : An ammeter has a current change of 0—5A and its internal resistance is 0.2 ohm. In order to Change the range to 0-25 A, wear need to add a resistance of 0.05 ohm in parallel with the meter

What calibration label is used when actual measurement values must be known to use the test equipment?

Description : What calibration label is used when actual measurement values must be known to use the test equipment?

Last Answer : CALIBRATED—REFER TO REPORT.

what causes the initial and final pulses on the receiver output signal?

Description : what causes the initial and final pulses on the receiver output signal?

Last Answer : Leakage from the duplexer.

When taking a voltage measurement, which lead of the voltmeter should you connect to the circuit first?

Description : When taking a voltage measurement, which lead of the voltmeter should you connect to the circuit first?

Last Answer : Ground.

What unit of measurement refers to the torque of a synchro transmitter

Description : What unit of measurement refers to the torque of a synchro transmitter

Last Answer : Ounce-inches.

What is the primary measurement application for tuning forks?

Description : What is the primary measurement application for tuning forks?

Last Answer : They are used to monitor fixed motor speeds.

A transmission line is said to have distributed constants of inductance, capacitance, and resistance along the line. What units of measurement are used to express these constants?

Description : A transmission line is said to have distributed constants of inductance, capacitance, and resistance along the line. What units of measurement are used to express these constants?

Last Answer : Inductance is expressed in micro henrys per unit length, capacitance is expressed in picofarads per unit length, and resistance is expressed in ohms per unit length.

What is the unit of measurement of apparent power?

Description : What is the unit of measurement of apparent power?

Last Answer : Apparent power

What is the unit of measurement of reactive power?

Description : What is the unit of measurement of reactive power?

Last Answer : var.

What is the unit of measurement of true power?

Description : What is the unit of measurement of true power?

Last Answer : var.

When is an optical power meter measurement recommended for conducting field measurements on installed optical fiber cables or cable plants?

Description : When is an optical power meter measurement recommended for conducting field measurements on installed optical fiber cables or cable plants?

Last Answer : When an installed optical fiber cable or cable plant is less than 50 meters in length.

When using an American Standard Wire Gauge to determine the size of a wire, where should you place the wire in the gauge to get the correct measurement?

Description : When using an American Standard Wire Gauge to determine the size of a wire, where should you place the wire in the gauge to get the correct measurement?

Last Answer : In the parallel walled slot not the circular area.

What other measurement can an ohmmeter make?

Description : What other measurement can an ohmmeter make?

Last Answer : Circuit continuity.

What are two ways that circuit measurement is used?

Description : What are two ways that circuit measurement is used?

Last Answer : Circuit measurement is used to (1) monitor the operation of a piece of electrical or electronic equipment and (2) determine the reason a piece of electrical or electronic equipment is not functioning properly.

A projectile is thrown at an angle of 30° to the horizontal. What should be the range of initial velocity (u)

Description : A projectile is thrown at an angle of 30° to the horizontal. What should be the range of initial velocity (u)

Last Answer : A projectile is thrown at an angle of 30° to the horizontal. What should be the range of initial velocity (u) ... 40m and 50 m? Assume g = 10 m s-2.

Derive the formula for the range and maximum height achieved by a projectile thrown from the origin with initial velocity at an angel θ

Description : Derive the formula for the range and maximum height achieved by a projectile thrown from the origin with initial velocity at an angel θ

Last Answer : Derive the formula for the range and maximum height achieved by a projectile thrown from the origin ... velocity at an angel θ to the horizontal.

When a resistor is used as a shunt and is connected in parallel with a meter movement coil, it will provide _____________. A. a measurement of circuit resistance B. an increased accuracy of approximately 1.5 percent C. an extended meter range D. none of the above

Description : When a resistor is used as a shunt and is connected in parallel with a meter movement coil, it will provide _____________. A. a measurement of circuit resistance B. an increased accuracy of approximately 1.5 percent C. an extended meter range D. none of the above

Last Answer : Answer: C

The bridge most suited for measurement of a four-terminal resistance in the range of 0.001 Ohm to 0.1 Ohm

Description : The bridge most suited for measurement of a four-terminal resistance in the range of 0.001 Ohm to 0.1 Ohm (A) Wien’s bridge (B) Kelvin double bridge (C) Maxwell’s bridge (D) Shering Bridge

Last Answer : The bridge most suited for measurement of a four-terminal resistance in the range of 0.001 Ohm to 0.1 Ohm (A) Wien’s bridge (B) Kelvin double bridge (C) Maxwell’s bridge (D) Shering Bridge

Why is it recommended to use more than one range while troubleshooting a device?

Description : Why is it recommended to use more than one range while troubleshooting a device?

Last Answer : Some defective devices may appear to be good in certain ranges.

Which of the following is not correct about initial phase of a project? a. The cost associated at the beginning of the project is highest. b. Stakeholders have maximum influence during this phase c. The highest uncertainty is at this stage of the project. d. All the above statements are correct.

Description : Which of the following is not correct about initial phase of a project? a. The cost associated at the beginning of the project is highest. b. Stakeholders have maximum influence during this phase c. The highest uncertainty is at this stage of the project. d. All the above statements are correct.

Last Answer : a. The cost associated at the beginning of the project is highest.

Which of the following is not correct about initial phase of a project? a. The cost associated at the beginning of the project is highest. b. Stakeholders have maximum influence during this phase c. The highest uncertainty is at this stage of the project. d. All the above statements are correct.

Description : Which of the following is not correct about initial phase of a project? a. The cost associated at the beginning of the project is highest. b. Stakeholders have maximum influence during this phase c. The highest uncertainty is at this stage of the project. d. All the above statements are correct.

Last Answer : a. The cost associated at the beginning of the project is highest.

A solution to a problem is a path from the initial state to a goal state. Solution quality is measured by the path cost function, and an optimal solution has the highest path cost among all solutions. a) True b) False

Description : A solution to a problem is a path from the initial state to a goal state. Solution quality is measured by the path cost function, and an optimal solution has the highest path cost among all solutions. a) True b) False

Last Answer : a) True

The frequency range of a waveguide is determined by what dimensions?

Description : The frequency range of a waveguide is determined by what dimensions?

Last Answer : . The "a" dimension.

What is the normal audible range of the human ear?

Description : What is the normal audible range of the human ear?

Last Answer : 20 Hz to 20 kHz.

What test equipment is designed to generate, modify, or measure a range of parameters of electronic functions of a specific nature required to test a single system or equipment?

Description : What test equipment is designed to generate, modify, or measure a range of parameters of electronic functions of a specific nature required to test a single system or equipment?

Last Answer : Special-purpose electronic test equipment.