When measuring strain, ballast circuit use a capacitor to act as a high pass filter. This is done when:

When measuring strain, ballast circuit use a capacitor to act as a high pass filter. This is done when: 

a) Static strain are being measured b) Dynamic strain are being measured c) Both Static and dynamic strain are being measured d) None of the above
by

1 Answer

Answer :

When measuring strain, ballast circuit use a capacitor to act as a high pass filter. This is done when: Dynamic strain are being measured

by

Related questions

__________ circuit is most commonly used to measure strain with the help of a strain gauge. (A) Ballast (B) Voltage balancing potentiometric (C) Simple current sensitive (D) None of these

Description : __________ circuit is most commonly used to measure strain with the help of a strain gauge. (A) Ballast (B) Voltage balancing potentiometric (C) Simple current sensitive (D) None of these

Last Answer : Option B

What determines the rate of discharge of the capacitor in a filter circuit?

Description : What determines the rate of discharge of the capacitor in a filter circuit?

Last Answer : Value of capacitance and load resistance.

. What determines the rate of discharge of the capacitor in a filter circuit?

Description : . What determines the rate of discharge of the capacitor in a filter circuit?

Last Answer : Value of capacitance and load resistance

Draw the circuit diagram of shunt capacitor filter along with full wave rectifier. Draw the waveform of full wave rectifier output and shunt capacitor filter output.

Description : Draw the circuit diagram of shunt capacitor filter along with full wave rectifier. Draw the waveform of full wave rectifier output and shunt capacitor filter output.

Last Answer : Fig: Shunt capacitor filter along with full wave rectifier Fig: Waveform of full wave rectifier output and shunt capacitor filter output.

With help of circuit diagram and waveform, explain shunt capacitor filter.

Description : With help of circuit diagram and waveform, explain shunt capacitor filter.

Last Answer : Circuit diagram and Waveform: OR Explanation: A filter circuit is one which removes the ac component present in the rectified output and allows the dc component to reach the ... which allows ac components. The remaining dc components present in the signal are collected at the output. 

Dummy strain guages are used for : -

Description :  Dummy strain gauges are used for : -  a) compensation of temperature changes b) increasing the sensitivity of bridge in which they are included c) compensating for different expansion d) calibration of strain gauge

Last Answer :  Dummy strain gauges are used for : -  compensation of temperature changes 

Harmonic suppressor connected to an antenna. A. High pass filter B. Low pass filter C. Tank circuit D. M-derived filter

Description : Harmonic suppressor connected to an antenna. A. High pass filter B. Low pass filter C. Tank circuit D. M-derived filter

Last Answer : B. Low pass filter

In a certain electronic circuit the output is positive if input 1 is positive and input 2 is zero. If both inputs are positive the output is zero. This is: w) an AND circuit x) a NOR circuit y) an OR circuit z) a high-pass filter

Description : In a certain electronic circuit the output is positive if input 1 is positive and input 2 is zero. If both inputs are positive the output is zero. This is: w) an AND circuit x) a NOR circuit y) an OR circuit z) a high-pass filter

Last Answer : ANSWER: Y -- AN OR CIRCUIT

Active High pass filters consist : -

Description : Active High pass filters consist : -  a) RC circuits b) Differential amplifiers c) Operational amplifiers d) RLC circuits

Last Answer : Active High pass filters consist : - Operational amplifiers

Which one of the following frequency meter is suitable for measuring radio frequency?

Description : Which one of the following frequency meter is suitable for measuring radio frequency?   (a) Vibrating reed frequency meter (b) Weston frequency meter (c) Electrical resonance frequency meter (d) Heterodyne frequency meter 

Last Answer : Which one of the following frequency meter is suitable for measuring radio frequency?   (a) Vibrating reed frequency meter (b) Weston frequency meter (c) Electrical resonance frequency meter (d) Heterodyne frequency meter 

When a fluorescent lamp has reached the end of its useful life, it should be replaced immediately, or the resultant flashing may _____________. A. blow the lamp's circuit breaker B. explode, causing glass to fly in all directions C. short circuit the ballast transformer D. damage the starter and the ballast

Description : When a fluorescent lamp has reached the end of its useful life, it should be replaced immediately, or the resultant flashing may _____________. A. blow the lamp's circuit breaker B. explode, ... fly in all directions C. short circuit the ballast transformer D. damage the starter and the ballast

Last Answer : Answer: D

Which component of the circuit shown in the illustration is the ballast? EL-0081 A. A B. B C. C D. D

Description : Which component of the circuit shown in the illustration is the ballast? EL-0081 A. A B. B C. C D. D

Last Answer : Answer: A

The primary function of a filter is to : -

Description : The primary function of a filter is to : -  a) minimize input variations b) suppness odd harmonics in the rectifier output c) stabalise DC level of o/p voltage d) remove ripples from rectified output

Last Answer : The primary function of a filter is to : - remove ripples from rectified output

Boxing of ballast is done A. Under the rail B. At the rail C. In between two rail D. In between two sleeper

Description : Boxing of ballast is done A. Under the rail B. At the rail C. In between two rail D. In between two sleeper

Last Answer : B [At the rail]

What consists the front-end circuit of a VHF TV superheterodyne receiver? A. Mixer, RF amplifier and AFC? B. RF amplifier, Band pass filter and mixer C. Local oscillator, mixer and RF amplifier D. Local oscillator, AGC and antenna

Description : What consists the front-end circuit of a VHF TV superheterodyne receiver? A. Mixer, RF amplifier and AFC? B. RF amplifier, Band pass filter and mixer C. Local oscillator, mixer and RF amplifier D. Local oscillator, AGC and antenna

Last Answer : C. Local oscillator, mixer and RF amplifier

What type filter is used to allow a narrow band of frequencies to pass through a circuit and attenuate all other frequencies above or below the desired band?

Description : What type filter is used to allow a narrow band of frequencies to pass through a circuit and attenuate all other frequencies above or below the desired band?

Last Answer : Bandpass.

when capacitor act as open circuit?

Description : when capacitor act as open circuit?

Last Answer : When a DC is applied to capacitor it acts as open circuit .

Measuring force without a strain gauge?

Description : Measuring force without a strain gauge?

Last Answer : answer:Do you want to know the force or the pressure at the tip? Will this be changing rapidly? Let's assume you want the force first and you will calculate the pressure from the force and ... device and work out the force from the assembly's resonant freq. Lots of possibilities. Not enough detail.

In a strain measuring device, using a strain gauge, the output quantity is ....

Description : In a strain measuring device, using a strain gauge, the output quantity is  A) Voltage B) resistance C) Impedance D) either A) or B)

Last Answer : In a strain measuring device, using a strain gauge, the output quantity is Voltage

What are the two main disadvantages of an LC capacitor filter?

Description : What are the two main disadvantages of an LC capacitor filter?

Last Answer : Cost and size of the inductor.

In a capacitor filter, is the capacitor in series or in parallel with the load?

Description : In a capacitor filter, is the capacitor in series or in parallel with the load?

Last Answer : Parallel.

In an LC choke-input filter, what prevents the rapid charging of the capacitor?

Description : In an LC choke-input filter, what prevents the rapid charging of the capacitor?

Last Answer : The CEMF of the inductor

. What are the two main disadvantages of an LC capacitor filter?

Description : . What are the two main disadvantages of an LC capacitor filter?

Last Answer : Cost of the inductor and size of the inductor.

In an LC choke-input filter, what prevents the rapid charging of the capacitor?

Description : In an LC choke-input filter, what prevents the rapid charging of the capacitor?

Last Answer : Counter electro-motive force of the inductor.

In a capacitor filter, is the capacitor in series or parallel with the load?

Description : In a capacitor filter, is the capacitor in series or parallel with the load?

Last Answer : Parallel.

Draw and explain: bridge rectifier with shunt capacitor filter.

Description : Draw and explain: bridge rectifier with shunt capacitor filter.

Last Answer : Operation of bridge rectifier with capacitor filter is explained in different intervals with the help of the following wave form. Operation in interval at 0 to A: ... filter is very close to theideal dc voltage waveform as most of the ripple is removed from rectified output.

State the advantages and disadvantages of series inductor and shunt capacitor filter.

Description : State the advantages and disadvantages of series inductor and shunt capacitor filter.

Last Answer : Advantages of series inductor filter 1. It has low ripple factor at heavy load currents (i.e. low load resistance) 2. It has no surge current through the diode. 3. It reduces the ripple in the DC ... . 3. It has low output voltages for heavy loads. 4. Ripple factor is dependent on the load.

If the output filter capacitor in a power supply actually had a value twice its stated value, which of the

Description : If the output filter capacitor in a power supply actually had a value twice its stated value, which of the following symptoms would be found?   a. The output voltage would be doubled and a small ... would be greater than expected.  d. The output and ripple voltage would be less than expected.

Last Answer : b. The ripple voltage would be half of what is expected and a small increase in the output voltage would be detected. 

In the illustration, the diode between terminals 16 and 17 is to _________. EL-0046 A. act as a short circuit for the sensing coil when CEMF is applied B. insure that the voltage across the coil does not exceed 9 volts C. improve response time D. act as a filter to prevent hunting

Description : In the illustration, the diode between terminals 16 and 17 is to _________. EL-0046 A. act as a short circuit for the sensing coil when CEMF is applied B. insure that the voltage across the coil does not exceed 9 volts C. improve response time D. act as a filter to prevent hunting

Last Answer : Answer: A

Harmonic suppressor connected to an antenna. A. Low-pass filter B. High-pass filter C. M-derived filter D. Constant-K

Description : Harmonic suppressor connected to an antenna. A. Low-pass filter B. High-pass filter C. M-derived filter D. Constant-K

Last Answer : A. Low-pass filter

How can intermodulation interference between two transmitters in close proximity reduced or eliminated? A. Through installing a band-pass filter in the antenna feed line B. Through installing terminated circulator or ferrite isolator in the feed line of the transmitter and duplexer C. By using a class C final amplifier with high driving power D. By installing a low-pass filter in the antenna feed line

Description : How can intermodulation interference between two transmitters in close proximity reduced or eliminated? A. Through installing a band-pass filter in the antenna feed line B. Through installing terminated circulator ... high driving power D. By installing a low-pass filter in the antenna feed line

Last Answer : A. Through installing a band-pass filter in the antenna feed line

Which of the following filters block FM radio band for TV channels (2 to 13)? A. High-pass filter B. Band reject filter C. Low-pass filter D. Band-pass filter

Description : Which of the following filters block FM radio band for TV channels (2 to 13)? A. High-pass filter B. Band reject filter C. Low-pass filter D. Band-pass filter

Last Answer : B. Band reject filter

The ___________ filter attenuates signals but passes frequencies below and above that band. A. low pass B. band pass C. band stop D. high pass

Description : The ___________ filter attenuates signals but passes frequencies below and above that band. A. low pass B. band pass C. band stop D. high pass

Last Answer : C. band stop

Define High pass filter.

Description : Define High pass filter.

Last Answer : A low pass filter allows only high frequency signals upto a certain break point fH to pass through

The shunt element of prototype high pass filter is _____.

Description : The shunt element of prototype high pass filter is _____. 

Last Answer : The shunt element of prototype high pass filter is inductive. 

A low-pass filter with a cut-off frequency of 30 Hz is cascaded with a high pass filter with a cut-off frequency

Description : A low-pass filter with a cut-off frequency of 30 Hz is cascaded with a high pass filter with a cut-off frequency of 20 Hz. The resultant system of filters will function as  (A) an all – pass filter (B) an all – stop filter (C) an band stop (band-reject) filter (D) a band – pass filter

Last Answer : A low-pass filter with a cut-off frequency of 30 Hz is cascaded with a high pass filter with a cut-off frequency of 20 Hz. The resultant system of filters will function as  a band – pass filter

Low pass filter with cut off frequency of 100 kHz and high pass filter with cut off frequency of

Description : Low pass filter with cut off frequency of 100 kHz and high pass filter with cut off frequency of 50 kHz are connected in tandem, the resultant filter is Low pass filter with cut off frequency of 100 kHz ... kHz Band pass filter with pass band from 50 kHz to 100 kHz. None of the above.

Last Answer : Low pass filter with cut off frequency of 100 kHz and high pass filter with cut off frequency of 50 kHz are connected in tandem, the resultant filter is Band pass filter with pass band from 50 kHz to 100 kHz.

A high pass filter has a resistance R = 2 kΩ. The lowest input frequency to...

Description : A high pass filter has a resistance R = 2 kΩ. The lowest input frequency to be passed is 7.5 KHz. The value of suitable coupling capacitor must be : (A) 0.1 pF (B) 1 pF (C) 0.1 μ F (D) 1 μ F

Last Answer : Option C By equating 1/RC with frequency.

What is the line current of a circuit when the current transformer of 1000 : 5 rating measures 4 amp?

Description : What is the line current of a circuit when the current transformer of 1000 : 5 rating measures 4 amp? (A) 5000 amp (B) 1000 amp (C) 400 amp (D) 800 amp 

Last Answer : What is the line current of a circuit when the current transformer of 1000 : 5 rating measures 4 amp? (A) 5000 amp (B) 1000 amp (C) 400 amp (D) 800 amp 

A 0 -10 mAPMMC ammeter reads 5 mA in a circuit; its bottom control spring snaps out suddenly the meter ...

Description :  A 0 -10 mAPMMC ammeter reads 5 mA in a circuit; its bottom control spring snaps out suddenly the meter will now read:- a) 5 mA b) 10 mA c) 2.5 mA d). 0

Last Answer :  A 0 -10 mAPMMC ammeter reads 5 mA in a circuit; its bottom control spring snaps out suddenly the meter will now read:- 0

The Q factor of a coil at resonant frequency 1.5 MHz of an RLC series circuit is 150. The Bandwidth is : -

Description : The Q factor of a coil at resonant frequency 1.5 MHz of an RLC series circuit is 150. The Bandwidth is : - a) 225 MHz b) 1.06 MHz c) 10 KHz d) 10 MHz

Last Answer : The Q factor of a coil at resonant frequency 1.5 MHz of an RLC series circuit is 150. The Bandwidth is : - 10 KHz

When a pure inductor is connected in series with a lamp circuit, effect is: -

Description : When a pure inductor is connected in series with a lamp circuit, effect is: -  a) Dimmer b) Brighter c) Same d) Fused

Last Answer : When a pure inductor is connected in series with a lamp circuit, effect is: -  Dimmer 

A flasher circuit application is a : -

Description : A flasher circuit application is a : -  a) Safety blinkers for bicycles c) Street Light Control  b) Rides lighting d) Glow lamp

Last Answer : A flasher circuit application is a : - Safety blinkers for bicycles 

Which of these represent short in a series circuit?

Description :  Which of these represent short in a series circuit?  a) Increase in resistance b) Increase in current c) Increase in voltage d) Increase in conductance

Last Answer :  Which of these represent short in a series circuit?  Increase in current

Electronic Voltmeters which use rectifiers employ negative feedback. This is done -

Description : Electronic Voltmeters which use rectifiers employ negative feedback. This is done -  a) To increase the overall gain b) To improve stability c) To overcome non -linearity of the diodes d) None of the above

Last Answer : Electronic Voltmeters which use rectifiers employ negative feedback. This is done - To overcome non -linearity of the diodes

replace florescent ballast

Description : replace florescent ballast

Last Answer : Need Answer

Sand may be used as ballast for A. Wooden sleeper B. Cast iron sleeper C. Steel sleeper D. None of These

Description : Sand may be used as ballast for A. Wooden sleeper B. Cast iron sleeper C. Steel sleeper D. None of These

Last Answer : B [Cast iron sleeper]

Best ballast contains stones varying in size from A. 1 to 4 cm B. 1.5 to 4.5 cm C. 2 to 5 cm D. 3 to 6 cm

Description : Best ballast contains stones varying in size from A. 1 to 4 cm B. 1.5 to 4.5 cm C. 2 to 5 cm D. 3 to 6 cm

Last Answer : C [2 to 5 cm]

Minimum depth of ballast prescribed of Broad Gauge trunk lines of Indian Railways, is A. 20 cm B. 25 cm C. 30 cm D. 35 cm

Description : Minimum depth of ballast prescribed of Broad Gauge trunk lines of Indian Railways, is A. 20 cm B. 25 cm C. 30 cm D. 35 cm

Last Answer : B [25 cm]

When a fluorescent lamp fails to light, the trouble can be in the _____________. A. lamp B. starter C. ballast D. all of the above

Description : When a fluorescent lamp fails to light, the trouble can be in the _____________. A. lamp B. starter C. ballast D. all of the above

Last Answer : Answer: D