Description : For measurement of potential difference, potentiometer is perferred in comparison to voltmeter because
Last Answer : For measurement of potential difference, potentiometer is perferred in comparison to voltmeter because A. ... does not take current from the circuit
Description : A voltmeter arranged across the power supply measures A. potential difference B. e.m.f C. current D. resistance
Last Answer : e.m.f
Description : To determine the state of charge of a nickel-cadmium battery, you would use a/an _____________. A. voltmeter B. hydrometer C. ammeter D. potentiometer
Last Answer : Answer: A
Description : To test the state of charge of a nickel-cadmium battery, you should use a/an ____________. A. ammeter B. voltmeter C. hydrometer D. potentiometer
Last Answer : Answer: B
Description : In order to check the performance of a transistor removed from its circuit, the instrument to be used should be a/an ____________. A. voltmeter or transistor tester B. impedance meter C. ohmmeter or transistor tester D. sensitive potentiometer
Last Answer : Answer: C
Description : State the purpose of calibration of measuring instruments. Explain the procedure of calibration of D.C. voltmeter by using D.C. potentiometer.
Last Answer : Purpose of calibration : Calibration is the process of evaluating and adjusting the precision and accuracy of measuring equipment. Proper calibration of an instrument allows people to have a safe ... calibration curve can be drawn by plotting the percentage error against the measured voltages.
Description : A potentiometer wire is `100 cm` long hand a constant potential difference is maintained across it. Two cells are connected in series first to support
Last Answer : A potentiometer wire is `100 cm` long hand a constant potential difference is maintained across it. Two cells are connected ... C. `3 : 2` D. `5 : 1`
Description : A potentiometer having the potential gradient of `2 mV//cm` is used to measure the difference of potential across a resistance of `10 ohm`. If a lengt
Last Answer : A potentiometer having the potential gradient of `2 mV//cm` is used to measure the difference of potential across a ... `) A. 1 B. 2 C. 5 D. 10
Description : Which of the following statements accurately describes test-retest reliability? a. Measure of consistency of test scores over time b. Measure of consistency of scores obtained from two equivalent halves of ... concept d. Measure of degree of agreement between two or more scorers, judges, or raters
Last Answer : a. Measure of consistency of test scores over time
Description : A potentiometer circuit is setup as shown. The potential gradient across the potentiometer wire is `k "volt"//cm` and the ammeter present in the circu
Last Answer : A potentiometer circuit is setup as shown. The potential gradient across the potentiometer wire is `k "volt"//cm` and ... (2)` D. `kl_(1)"and"kl_(2)`
Description : Potentiometer wire of length `1 m` is connected in series with `490 Omega` resistance and `2 V` battery. If `0.2 mV/cm` is the potential gradient, the
Last Answer : Potentiometer wire of length `1 m` is connected in series with `490 Omega` resistance and `2 V` battery. If ... 7.9Omega` C. `5.9Omega` D. `6.9Omega`
Description : What is the statistical function that accurately measures what it is intended to measure?
Last Answer : There is none. If an accurate measure was possible thenstatistical techniques would not be required. A maximum likelihoodestimate is probably better than other statistical estimates.
Description : The emf of a battery is 4.0 V and its internal resistance is `1.5 Omega`. Its potential difference is measured by a voltmeter of resistance `1000 Omeg
Last Answer : The emf of a battery is 4.0 V and its internal resistance is `1.5 Omega`. Its potential ... percentage error in the reading of emf shown by voltmeter.
Description : ___________ is device that measures the internal open circuit voltage of an equivalent noise generator having an impedance of 600Ω and delivering noise power to a 600 Ω load. A. Psophometer B. Barometer C. Reflectometer D. Voltmeter
Last Answer : A. Psophometer
Description : A dc voltmeter has a sensitivity of 1000 Ohm/V. When it measures half full scale in 100 V range, the current through the voltmeter is
Last Answer : A dc voltmeter has a sensitivity of 1000 Ohm/V. When it measures half full scale in 100 V range, the current through the voltmeter is 1 mA.
Description : An integrating digital voltmeter measures A) true average value B) rms value C) peak value D) peak to peak value
Last Answer : An integrating digital voltmeter measures true average value.
Description : Consider the diagram shown below. A Voltmeter of resistance `150 Omega` is connected across A and B. The potential drop across B and C measured by vol
Last Answer : Consider the diagram shown below. A Voltmeter of resistance `150 Omega` is connected across A and B. The potential ... 29 B. 27 V C. 31 V D. 30 V
Description : What is the difference the a wheatstone bridge and a potentiometer ?
Last Answer : The difference between a potentiometer and a wheatstone bridge measuring instrument is that potentiometer is a voltage measuring instrument and wheatstone bridge is a current measuring instrument.
Description : Many food brokers are more accurately described as manufacturers' agents because they A)handle food products from a single manufacturer. B)provide assistance in grading, negotiating, and ... and operate in specific geographic territories. E)charge higher commissions than most other brokers.
Last Answer : D)provide services on a somewhat permanent basis and operate in specific geographic territories
Description : Assertion : In potentiometer experiment, null point cannot be obtained if emf of unknown battery is more than the emf of known battery. Reason : By in
Last Answer : Assertion : In potentiometer experiment, null point cannot be obtained if emf of unknown battery is ... If Assertion is false but Reason is true.
Description : Describe a time when you anticipated potential problems and developed preventive measures.
Last Answer : The key here is to show that you were proactive. How did you find out about the potential problems? How did you address it quickly?
Description : _________ is a thermodynamic potential that measures the “useful” or process-initiating work obtainable from an isothermal, isobaric thermodynamic system. a. Du-Pont Potential b. Gibbs free energy c. Rabz-Eccles Energy d. Claussius Energy
Last Answer : Gibbs free energy
Description : As the nurse monitors the client, she notices a bright red spot on the dressings which measures 4cm in diameter. The nurse should initially do which appropriate nursing intervention? A. Change the ... C. Notify the clients surgeon of a potential hemorrhage D. Assess the presence of a drain
Last Answer : D. Assess the presence of a drain
Description : The temperature of a gas measures the: w) number of calories of heat present x) average kinetic energy of the particles in the gas y) exact number of particles in the gas z) potential energy of the gas
Last Answer : ANSWER: X -- AVERAGE KINETIC ENERGY OF THE PARTICLES IN THE GAS
Description : What is a potentiometer in Arduino?
Last Answer : A potentiometer in Arduino is a variable resistor that can be used to control the brightness of an LED, the speed of a motor, or the volume of a speaker.
Last Answer : A potentiometer in Arduino is a variable resistor that can be used to adjust the voltage level or control the position of a servo motor.
Last Answer : A potentiometer is an electronic component used in Arduino projects to vary the resistance in a circuit.
Description : How can I wire a doubled up Potentiometer to cut two different frequencies?
Last Answer : answer:Not quite sure I understand (and even if I do, not sure I can help, but I'll try). Are you saying that you want to re-purpose your tone knob to be a balance knob between the two ... pickups wired in parallel) that will widen on the treble side above 5 and widen on the base side below 5?
Description : What is a potentiometer ?
Last Answer : : Potentiometer is a device used to measure voltage difference and electromagnetic force in a voltage drop method.
Description : In a potentiometer experiment the balancing with a cell is at length 240 cm. On shunting the cell with a resistance of `2Omega`, the balancing length
Last Answer : In a potentiometer experiment the balancing with a cell is at length 240 cm. On shunting the cell with a ... Omega` C. `4 Omega` D. `2 Omega`
Description : In potentiometer experiment, a cell of emf `1.25 V` gives balancing length of 30 cm. If the cell is replaced by another cell, then balancing length is
Last Answer : In potentiometer experiment, a cell of emf `1.25 V` gives balancing length of 30 cm. If the cell is replaced by another ... . `~=1.47 V` D. `~=1.37 V`
Description : An electron in potentiometer experiences a force `2.4xx10^(-19)N`. The length of potentiometer wire is 6m. The emf of the battery connected across the
Last Answer : An electron in potentiometer experiences a force `2.4xx10^(-19)N`. The length of potentiometer wire is 6m. The emf of ... 6 V B. 9 V C. 12 V D. 15 V
Description : A potentiometer wire of length 10 m and resistance `10 Omega` per meter is connected in serice with a resistance box and a 2 volt battery. If a potent
Last Answer : A potentiometer wire of length 10 m and resistance `10 Omega` per meter is connected in serice with a ... Omega` C. `190 Omega` D. `90 Omega`
Description : A potentiometer wire of length `100 cm` having a resistance of `10 Omega` is connected in series with a resistance `R` and a cell of emf `2V` of negli
Last Answer : A potentiometer wire of length `100 cm` having a resistance of `10 Omega` is connected in series with a ... Omega` C. `790 Omega` D. `840 Omega`
Description : A potentiometer wire has length `4 m` and resistance `8 Omega`. The resistance that must be connected in series with the wire and an accumulator of e.
Last Answer : A potentiometer wire has length `4 m` and resistance `8 Omega`. The resistance that must be connected in ... Omega` C. `44 Omega` D. `48 Omega`
Description : Assertion : In case of potentiometer experiment, if emfs of known and unknown both batteries are increased two times, then null point length will rema
Last Answer : Assertion : In case of potentiometer experiment, if emfs of known and unknown both batteries are ... If Assertion is false but Reason is true.
Description : A `1 Omega` resistance in series with an ammeter is balanced by 25 cm of potentiometer by 50 cm. The ammeter shows a reding of `1.5 A`. Then, the erro
Last Answer : A `1 Omega` resistance in series with an ammeter is balanced by 25 cm of potentiometer by 50 cm. The ammeter shows a ... B. 3A C. `1.3 A` D. `0.3A`
Description : In given figure, the potentiometer wire AB has a resistance of `5 Omega` and length 10 m . The balancing length AM for the emf of 0.4 V is
Last Answer : In given figure, the potentiometer wire AB has a resistance of `5 Omega` and length 10 m . The balancing length AM for ... B. 4 m C. `0.8` m D. 8 m
Description : The length of a wire of a potentiometer is 100 cm, and the e.m.f. of its standard cell is E volt. It is employed to measure the e.m.f. of a battery wh
Last Answer : The length of a wire of a potentiometer is 100 cm, and the e.m.f. of its standard cell is E ... current in the potentiometer wire D. `(30E)/(100)`
Description : AB is a potentiometer wire of length 100 cm and its resistance is `10Omega`. It is connected in series with a resistance R = 40 `Omega` and a battery
Last Answer : AB is a potentiometer wire of length 100 cm and its resistance is `10Omega`. It is connected in series with a ... `1.6V` C. `0.08V` D. `0.16V`
Description : For a cell of e.m.f. 2 V , a balance is obtained for 50 cm of the potentiometer wire. If the cell is shunted by a `2Omega` resistor and the balance is
Last Answer : For a cell of e.m.f. 2 V , a balance is obtained for 50 cm of the potentiometer wire. If the cell is ... B. `0.50Omega` C. `0.80Omega` D. `1.00Omega`
Description : A 2 V battery, a `990Omega` resistor and a potentiometer of 2 m length, all are connected in series of the resistance of potentiometer wire is `10Omeg
Last Answer : A 2 V battery, a `990Omega` resistor and a potentiometer of 2 m length, all are connected in series of the resistance ... 0.01Vm^(-1)` D. `0.1Vm^(-1)`
Description : Two cells of emfs `E_(1)` and `(E_(2) (E_(1) gt E_(2))` are connected as shows in Fig. `6.45`. When a potentiometer is connected between `A` and `B`,
Last Answer : Two cells of emfs `E_(1)` and `(E_(2) (E_(1) gt E_(2))` are connected as shows in Fig. `6.45`. When a ... `3:1` B. `1:3` C. `2:3` D. `3:2`
Description : The resistivity of a potentiometer wire is `40xx10^(-8)Omega-m` and its area of cross section is `8xx10^(-6)m^(2)`. If 0.2 A current is flowing throug
Last Answer : The resistivity of a potentiometer wire is `40xx10^(-8)Omega-m` and its area of cross section is `8xx10^(-6)m^(2)` ... . `3.2xx10^(-2)V//m` D. `1V//m`
Description : In a potentiometer experiment, the galvanometer shows no deflection when a cell is connected across `60 cm` of the potentiometer wire. If the cell is
Last Answer : In a potentiometer experiment, the galvanometer shows no deflection when a cell is connected across `60 cm` of ... ` C. `1.2Omega` D. `1.5Omega`
Description : Define potentiometer?
Last Answer : A dual potentiometer is nothing but a potentiometer which has TWO channels.. Like two INs and two OUTs on the same unit.
Description : The pH value of sewage is determined with the help of A. Imhoff Cone B. Turbid meter C. Potentiometer D. None of these
Last Answer : ANS: C
Description : The electrical device shown in the illustration is a/an _____________. EL-0077 A. operating coil B. indicating lamp C. motor armature D. potentiometer
Last Answer : Answer: D
Description : In the illustrated amplifier, the RESET potentiometer A1R2 sets the stability of the control loop by changing the reset time constant. As the potentiometer is turned clockwise _________. EL-0060 A. ... is increased to the summing point at terminal 5 D. response time is increased decreasing stability