BE Electronics Engineering Quiz

22

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BE Electronics Engineering Quiz

1 / 25

A hole has the same amount of positive charge as a proton , equal  to an electron but with opposite polarity:-

2 / 25

During the charging of a lead acid cell;-

3 / 25

The bar magnet has:-

4 / 25

The bridge used for the measurement of the value of the capacitance is:-

5 / 25

Atoms of the impurity element in a doped semi conductor provide a fixed ion charge:-

6 / 25

The ripple factor for a half wave rectifier is:-

7 / 25

A FET is a _________ controlled device:-

8 / 25

A capacitor charged to 200 V has 2000. The value of capacitance will be:-

9 / 25

Which photo conductor  is commonly used;-

10 / 25

The use of permanent magnet is not made in:-

11 / 25

The process by which impurities are added to a pure semi conductor is:-

12 / 25

Paper condenser is:-

13 / 25

A doped semi conductor is called____________________:-

14 / 25

When a reverse bias is applied to a junction diode:-

15 / 25

The impurities added to extrinsic semiconductor is of the order of:-

16 / 25

The gate electrode in the FET corresponds to the collector in a bipolar transistor:-

17 / 25

It is noticed that during discharging which does not happen:-

18 / 25

The SCR is a silicon rectifier with a gate electrode to control when current flows from cathode to anode;-

19 / 25

The materials are a bit inferior conductors of magnetic flux than air:-

20 / 25

The unit of volume charged density are:-

21 / 25

____________  is not a poor conductor:-

22 / 25

Cells are connected to series in order to;-

23 / 25

The inverse of capacitance is called:-

24 / 25

The triac is a unidirectional gate control rectifier:-

25 / 25

Thermionic emission of electrons is due to:-