Question: Question No . 2 2 5 Marks ( ELO 2 , 4 ) i . What is Electro - dynamic Wattmeter? What is its principle,

Question No.2
25 Marks (ELO 2,4)
i. What is Electro-dynamic Wattmeter? What is its principle, construction, and working Derive relations for finding powers in case of DC as well as \( A C \) circuit.
OR
ii. What is Two Wattmeter? Derive the relation for power measurement by Two Wartmeter's mathod in one type of connection only, either in star-connection or in Delta-connection.
iii. Define power factor. If active power is 900 kW and apparent power is 1000 kVA , then eut the power factor.
answer fully for exam preparation
Question No . 2 2 5 Marks ( ELO 2 , 4 ) i . What

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