Một khung dây hình vuông 4cm đặt trong từ trường đều có cảm ứng từ B=5.10-4T từ thông qua hình vuong

If a textbook weighs 37.2 n on venus, and the book has a mass of 4.4 kg, what is the strength of gravity on venus? 8.9 m/s28.9 m/si don't have enough information,9.8 m/s2

Act has a 1200: 5 or 240: 1 turns ratio. it is short circuited. what is the maximum current at 1200a primary if we put a 100ohm resistor across the secondary end of the ct. use it as current source circuit.

Avalue that describes how heavy an object is and is related to the force of gravity is