Question

Blackboard XS SĀ Remaining Time: 1 hour, 14 minutes, 53 seconds. Question Completion Status: QUESTIONS A square loop of wire with side 5 cm is placed in a uniform magnetic field of magnitude 0.3 T. A line perpendicular to the plane of the loop is angled at 40 degrees to the magnetic field. What is the magnitude of the magnetic flux through the coll? a.5.7x10-4 Wb 6.4.0 Wb c. 4.0x10-4 Wb d.5.7 Wb QUESTION 6 The primary coil in an ideal transformer has 10,000 turns of wire. If the primary coil has an emf of 100 V and the secondary coil has an emf of 1 V, how many turns of wire does the secondary coil have? a. 10 O b. 100 1000 d. 10,000

number 5

Answer 1

Solutions şide, a = som es x 10-?m Area = a? = 25 x 10-4 m2 magnetic field, B = 0.37 Magnetic flux through an condenter of Area A is $ = B. Ā = BA coso where O= 40 {angle between B 8 normal of the loop} defined as $ = 0.3 X 25 X10-4x cos 40° or .: d=5.745 810-4 T-m² d = 5.7 x 10-4 Wb option ® is correct ☺