EI6301 EM 2marks 16marks, ELECTRICAL MEASUREMENTS  Question Bank, EM Short Answers



EI6301EM 2marks

Anna University Regulation 2017 ECE EI6301EM 2marks & 16marks for all 5 units are provided below. EI6301EM Short answers, Question Bank for ELECTRICAL MEASUREMENTS  Engineering are listed down for students to make perfect utilization and score maximum marks with our study materials.

A PMMC instrument has a 0.12T magnetic flux density in its air gaps. The coil dimensions are D = 1.5 cm and l =2.25 cm. Determine the number of coil turns required to give a torque of 4.5 μN-m when the coil current is 100μA. Td = NBldI N = Td / BldI = 4.5 x 10-6 / (0.12 x 2.25 x 10-2 x 1.5 x 10-2 x 100 x 10-6) N = 1111

What is the use of swamping resistor? Swamping resistor is connected in series with meter resistance to reduce the error caused by temperature rise (i.e. temperature error). Swamping resistance to meter resistance ratio should be high

EI6301EM All Units 2marks & 16marks – Download Here

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EI63012marks, EM Unit wise short answers – ECE 7th Semester




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