Description : Refers to an ac bridge for measuring the inductance and Q of an inductor in terms of resistance, frequency and a standard capacitance.
Last Answer : hay bridge
Description : This refers to a four-arm ac bridge used for measuring inductance against a standard capacitance.
Last Answer : Maxwell Bridge
Description : An AC bridge that measures capacitance and dissipation factor
Last Answer : Schering Bridge
Description : An AC bridge that measures mutual inductance
Last Answer : Heaviside bridge
Description : Maxwell bridge measures an unknown inductance in terms of known
Last Answer : capacitance
Description : The Wheatstone bridge is a precision measuring instrument utilizing the principle of changes in _____________. A. inductance B. capacitance C. resistance D. amperage
Last Answer : Answer: C
Description : Hays bridge is used to measure___________ and Schering bridge is used to measure____________ a) Inductance, Inductance b) Inductance, Capacitance c) Capacitance, Inductance d) Resistance, Capacitance
Last Answer : Ans: Inductance, Capacitance
Description : AC circuits develop resistance, inductance, and capacitance. The inductive reactance of a circuit is expressed in _____________. A. ohms B. mhos C. henrys D. farads
Last Answer : Answer: A
Description : AC circuits possess characteristics of resistance, inductance, and capacitance. The capacitive reactance of a circuit is expressed in _____________. A. ohms B. mhos C. henrys D. farads
Description : In AC Circuit Theory, the term that replaces the resistance is: w) inductance x) capacitance y) impedance z) reactance
Last Answer : ANSWER: Y -- IMPEDANCE
Description : Which of the following bridges measures dc resistance?
Last Answer : Wheatstone bridge
Description : A dc bridge widely used for the accurate measurements of resistance
Description : A four-arm bridge. All arms of which are predominantly resistive; used for measuring resistance
Last Answer : Resistance Bridge and Wheatstone Bridge
Description : Maxwell's inductance - capacitance bridge is used for measurement of Inductance of: - a) Low Q coils b) Medium Q coils c) High Q coils d) Low and medium Q coils
Last Answer : A
Description : This instrument measures temperatures by electric means, especially temperatures beyong the range of mercury thermometers
Last Answer : pyrometer
Description : A certain pulse measures 10ms and has a period of 50ms. The duty cycle is __
Last Answer : 10ms/50ms = 20%
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 : When the capacitors of a Wein Bridge are replaced by inductors, the bridge becomes ___
Last Answer : Wein Inductance Bridge
Description : What do you call of the frequency-sensitive bridge in which two adjacent arms are resistances and other are RC combinations?
Last Answer : Wein Bridge
Description : A wheatstone bridge is balanced if ___
Last Answer : the ratio of resistors on one side of the bridge equals the ratio of resistors on the other side
Description : A simplified version of the Wheatstone bridge wherein, two of the ratio arms are replaced by a 100cm long Manganin of uniform cross-sections and provided with a slider
Last Answer : slide-wire bridge
Description : Bridge used to measure both inductive and capacitive impedances at higher frequencies
Last Answer : radio-frequency bridge
Description : A bridge used to locate accidental grounds on communications and power lines
Last Answer : Murray Loop
Description : A bridge used to measure small resistances
Last Answer : Kelvin Bridge
Description : What bridge is used to measure high-Q inductors? (Q>10)
Description : A bridge wherein all legs are electrically identical
Last Answer : balance bridge
Description : A Hay bridge measures inductance by comparing an inductor to what component?
Last Answer : A capacitor.
Description : What is the effect of resistance , inductance and capacitance in transmission line ?
Last Answer : These 3 factors create voltage drop and power loss of the line. The inductive reactance creates a voltage drop across the line and the capacitance creates a charging current.
Description : 'Farad' is the unit of : (1) Capacitance (2) Inductance (3) Resistance (4) Conductance
Last Answer : (1) Capacitance Explanation: The Farad is the SI derived unit of capacitance. It is named after the English physicist Michael Faraday.
Description : The fuse in our domestic electric circuit melts when there is a high rise in – (1) Inductance (2) Current (3) Resistance (4) Capacitance
Last Answer : (2) Current Explanation: In electronics and electrical engineering, a fuse is a type of low resistance resistor that acts as a sacrificial device to provide over protection, of either the load ... fuse interrupts excessive current (blows) so that further damage by overheating or fire is prevented.
Description : The formula for computing impedance in a series circuit containing resistance, capacitance, and inductance is _____________. [ NOTE: the symbol * stands for 'multiplied by' ] A. Z = RT + XL + XC B. Z = R + XL - XC C. Z * Z = R * R + (XL - XC) * (XL - XC) D. Z = R * R + (XL * XC) - (XL * XC)
Description : Capacitance is the property of an electric circuit opposing a change in the _____________. A. current in the circuit B. voltage in the circuit C. inductance in the circuit D. resistance in the circuit
Last Answer : Answer: B
Description : Alternating current circuits develop resistance, inductance, and capacitance. The capacitance of individual capacitors is expressed in _____________. A. ohms B. mhos C. henrys D. farads
Last Answer : Answer: D
Description : Alternating current circuits develop resistance, inductance and capacitance. The inductance of a coil is expressed in _____________. A. ohms B. mhos C. henrys D. farads
Description : If an antenna is too short for the wavelength being used, the effective length can be increased by adding: A. capacitance in series B. inductance in series C. resistance in parallel D. resistance in series
Last Answer : B. inductance in series
Description : A transmitted signal 5 meters in wavelength is received by an antenna coil having a 50-Ω resistance and a 0.01 H inductance. What is the capacitance of the tuner shunting the antenna coil at this point? A. 0.704 fF B. 0.704 μF C. 0.704 nF D. 0.704 mF
Last Answer : A. 0.704 fF
Description : The resistance in a magnetic material is called as a) Capacitance b) Inductance c) Reluctance d) Magnetic resistance
Last Answer : c) Reluctance
Description : The magnetostatics highly relies on which property? a) Resistance b) Capacitance c) Inductance d) Moment
Last Answer : c) Inductance
Description : Which of the following parameter can be neglected for a short line ? (a) Inductance (b) Capacitance (c) Resistance (d) Reactance
Last Answer : (b) Capacitance
Description : Which of the following are the constants of the transmission lines ? (a) Resistance (b) Inductance (c) Capacitance (d) All of the above
Last Answer : (d) All of the above
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.
Description : ‘Farad’ is the unit of : (1) Capacitance (2) Inductance (3) Resistance (4) Conductance
Last Answer : Capacitance
Description : An a.c series circuit has resistance of 10ohm, inductance of 0.1H and capacitance of 10µf, voltage applied to circuit is 200V. find (i) Resonant frequency (ii) Current at resonance (iii) Power at resonance
Last Answer : Solution: For RLC series circuit
Last Answer : Resistance: This could be defined as the opposition or retarding force to the flow of current in a circuit. It is measured in Ohms. Capacitance: The ability of a system of electrical conductors and insulators ... due to a rate of change of current in the circuit or coil. It's unit is Henry.
Description : Most AC voltmeters have an rms scale which is valid only if the input signal being measured is a __ signal.
Last Answer : sinusoidal
Description : To increase the measuring capability of a moving-iron ac ammeter, a __ should be used.
Last Answer : different number of turns of coils
Description : The art or process of determining the existence or knowing the magnitude of something, directly or indirectly in terms of a recognized standard
Last Answer : Measurement
Description : What sensor provides a change of resistance with typical power range of 1uW to 10mW and with maximum frequency greater than 100GHz
Last Answer : thermistor sensor