1 |
The major function of electronic devices is to amplify the ........ signals. |
Stronge electric
Semi strong electric
Both a and c
weak electric
|
2 |
Revolutionary charges have occur in last ............. years. |
30
40
50
60
|
3 |
analogue signal is recorded on. |
Magnetic tape
Floppy disk
Hard Disk
C.D
|
4 |
in binary system. 37 is written as. |
101101
100101
110011
101011
|
5 |
Electric signal is converted into digital signal by. |
Key board
Monitor
Scanner
Modem
|
6 |
Diodes are used to. |
Convert A.C. into D.C
Convert D.C into A.C
Store Charge
Change voltage
|
7 |
In P-type semi -conductior, most of the current is due to. |
Free electron
Holes
Positive ions
Heat
|
8 |
Multi-meter is also called. |
EVO
OVE
AVO
V0A
|
9 |
Voltmeter is connected in. |
Parallel position
Series position
Both a and b
None of these
|
10 |
Voltmeter is used to. |
Measure current
Measure potential difference
Measure voltage
Both a and b
|
11 |
Ammeter is always connected with a circuit in. |
parallal
Series
Both a and b
None of these
|
12 |
Ammeter is used to. |
Measure the current
Detect the current
Measrue the voltage
None of them
|
13 |
Galvanometer is used to. |
Detects the current
Measure the current
Measure the resistance
Measrue the voltage
|
14 |
Vs / Vp is equal to. |
Vp / Vs
Np / Ns
Ns / Np
None
|
15 |
The SI uinit of Capacitance. |
Farad
Micro Farad
Ohm
Volt
|