Efficiency of a recorder is determined using ________
1.paper
2.chart
3. voltmeter
4.oscilloscope
Posted Date:-2022-05-11 23:56:40
Electronic recorders are of _______
1. 2 types
2.4 types
3.10 types
4.15 types
Posted Date:-2022-05-11 23:54:43
In a strip chart recorder ____
1.biological quantity is measured
2.chemical quantity is measured
3.physical quantity is measured
4.no quantity is measured
Posted Date:-2022-05-11 23:57:09
Response time for gas-filled phototubes is _______
1.zero
2. intermediate
3. fast
4.slow
Posted Date:-2022-05-11 23:53:06
A galvanometer based recorder works on the principle of ________
1. Van der Wall’s effect
2.D’Arsonval movement
3. Paschen effect
4.Azhimuthal quatum number
Posted Date:-2022-05-11 23:58:35
A physical quantity is recorded to preserve the details.
1. True
2.False
3.all of the above
4.None of the mentioned
Posted Date:-2022-05-11 23:55:24
Basic elements of a strip chart recorder are _____
1.chalk and board
2.pen and pencil
3.pencil and paper
4. pen and chart paper
Posted Date:-2022-05-11 23:57:39
How many types of graphic recorders are there?
1. five
2.ten
3. three
4.one
Posted Date:-2022-05-11 23:55:48
How many types of tracing systems are used in graphical representation?
1.two
2. five
3.ten
4.one
Posted Date:-2022-05-11 23:58:10
Non-electrical quantities are measured directly.
1. True
2.False
3.all of the above
4.None of the mentioned
Posted Date:-2022-05-11 23:55:04
Optocoupler consists of a phototransistor and a led.
1.True
2.False
3.all of the above
4.None of the mentioned
Posted Date:-2022-05-11 23:52:43
Photoconductors are made of _______
1. thick layer of semiconductor
2.thin layer of semiconductor
3.capacitive substrate
4. inductive substrate
Posted Date:-2022-05-11 23:51:51
Phototubes are very quick in response to light.
1.True
2.False
3.all of the above
4.None of the mentioned
Posted Date:-2022-05-11 23:51:24
Recorder is a _____
1.measuring instrument
2.voltage source
3. current divider
4.musical tool
Posted Date:-2022-05-11 23:56:15
Reverse leakage current in a transistor _______
1.is affected by light
2.is not affected by light
3. increases with a decrease in pressure
4.decreases with increase in temperature
Posted Date:-2022-05-11 23:54:00
When an open circuited pn junction is illuminated then _______
1.resistance increases
2.there is no effect
3.electron hole pairs are formed
4.capacitance increases
Posted Date:-2022-05-11 23:52:15