1. The current requerment of a LED is_______
a) 1.7mA
b) 25mA
c) between 3 and 35 mA
d) 65mA
Answer: C

2. The current in a circuit is 45mA.this is_______
a) 0.045Amp
b) 0.00045A
c) 0.0045A
d) 0.45A
Answer: A

3. Shunting the ac component away from the load is the task of a_______
a) transformer
b) filter
c) regulator
d) rectifier
Answer: B

4. Condensor store electrical energy_______
a) TRUE
b) FALSE
c) N.A.
d) N.A.
Answer: A

5. In a diode schematic, the anode is represented by a(n)_______
a) triangle
b) vertical line
c) zig-zag line
d) element indicator
Answer: A

6. What is the result when a decimal 5238 is converted to base 16?
a) 327.375
b) 12166
c) 1388
d) 1476
Answer: D

7. Why is heat produced in a diode?
a) due to current passing through the diode
b) due to voltage across the diode
c) due to the power rating of the diode
d) due to the PN junction of the diode
Answer: A

8. Which is not a commone value of resistance
a) 2k2
b) 220k
c) 68k
d) 4k4
Answer: D

9. Electrolytic condensor works only in_______
a) AC supply
b) DC supply
c) AC DC both supply
d) N.A.
Answer: B

10. What is the color of resistance value 1.2K_______
a) Brown Red Yellow
b) Brown Red Red
c) Brown Red Brown
d) None of this
Answer: B

11. SPST IS A_______
a) CONNECTOR
b) JUMPER
c) SWITCH
d) None of this
Answer: C

12. OR GATE output are_______
a) (A.B)
b) (A+B)
c) (A-B)
d) (AB)
Answer: B

13. primary & secondary a part of_______
a) transformer
b) IC
c) coil
d) capacitor
Answer: A

14. The weight of the LSB as a binary number is_______
a) 1
b) 2
c) 3
d) 4
Answer: A

15. MOSFET is a_______
a) DIODE
b) TRANSISTOR
c) CAPACITOR
d) IC
Answer: B

16. (A.B) is a_______
a) OR GATE OUTPUT
b) NAND GATE OUTPUT
c) AND GATE OUTPUT
d) None of this
Answer: C

17. The diode schematic arrow points to the_______
a) trivalent-doped material
b) positive axial lead
c) anode lead
d) cathode lead
Answer: D

18. NPN is a_______
a) IC
b) GATE
c) Transistor
d) Capacitor
Answer: C

19. PNP and NPN transistors are same in terms of working_______
a) TRUE
b) FALSE
c) N.A.
d) N.A.
Answer: B

20. The number 104 capacitor indicates_______
a) 0.1u
b) 1000n
c) 1n
d) 10n
Answer: A