Rajkamal Sir (Engineers Platform) 📚📚

4. The acceptor type of impurity is[SSC JE EE 2018]

3. The impurity added to extrinsic semiconductors is of the order of[SSC JE EE 2018]

2. Which semiconductor device behaves like two SCR's? [SSC JE EE 2014]

1. The temperature co-efficient of an intrinsic semiconductor is[SSC JE EE 2010]

4. The main application of indirect arc furnace is to melt [SSC JE EE 2021]

3. To save wastage which lamp is the cheapest? [SSC JE EE 2021]

2. The disadvantage of fluorescent lamps as compared to GLS lamps is……..[SSC JE EE 2021]

1. The function of capacitor connected across the fluorescent lamp is……….[SSC JE EE 2018]

5. Principles used in street lighting are [SSC JE EE 2018]

4. Which type of starter used for fluorescent lamp? [SSC JE EE 2018]

3. Which is the colour of light is emitted by the sodium vapour lamp?

2. Power factor is highest in case of [SSC JE EE 2018]

1. In case of frosted GLS lamps, frosting of shell is done by………. [SSC JE EE 2018]

5. Which of the following lamps has the shortest/less life span in working hours? [SSC JE EE 2021]

4. Which of the following lamps employs a bimetallic strip? [SSC JE EE 2021]

3. l………………amps are used to light up sports stadiums. [SSC JE EE 2021]