ISRO-Technician B-Electrical/2019

 

#1. Scott connection of transformer is also known as….?

#2. Which of the following is a strongest diamagnetic material?

#3. Kelvin bridge is used to measure….?

#4. Potential inside a hollow sphere charged with a voltage V is….?

#5. Th ratio of magnetisation intensity to the magnetisation force is known as….?

#6. Degaussing is the process of….?

#7. Distribution transformer has maximum efficiency at….?

#8. The ratio of collector current to emitter current of a transistor is 0.99. What is the ratio of collector current to base current?

#9. What is the peak to peak voltage of 250V AC is…..?

Peak voltage= 353 (1.41×250)

peak to peak = 707

#10. Which of the following is a loss in DC generator?

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