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who invented Alternating Current

• William Stanley

• Nikola Tesla

• Thomas Edison

• George Westinghouse

which is the first city in india to get electricity

• Kolkata

• Delhi

• Chennai

• Mumbai

What is the purpose of a resistor in an electrical circuit

• To convert AC power to DC power

• To regulate Voltage

• To store electrical energy

• To control current flow

Eddy current loss will depends on

• Frequency

• Flux density

• Thickness

• All of these

FM stands for

• Frequent Modulation

• Frequency Modulation

• Frequency Moderator

• Frequent Moderator

How many pressure and current coil is present in Megger?

• 2 Pressure coils and 1 Current coil

• 2 Pressure coil and 2 Current coil

• 1 Pressure coil and 2 Current coil

• 1 Pressure coil and 1 Current coil

What is the full form of ISRO

• Indian Space Research Organisation

• Indian Scientific Research Organisation

• International Sports Research Organisation

• International Speech Research Organisation

The output of the system has an effect upon the input quantity, then the system is a

• Open loop control system

• Closed loop control system

• Both 1 and 2

• None of the above

A square matrix is called singular if its

• Determinant Is zero

• Determinant is unity

• Determinant is infinity

• Rank is unity

What was the record for javelin throw in Neeraj Chopra’s Olympics gold?

• 89.9m

• 85.5m

• 78.6m

• 87.5m