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Question: A square loop of side length 100 mm is placed on a wooden table in a uniform magnetic field of magnitude 0.15T. The greatest magnetic flux through the loop is measured when the loop is flat on the table. What is the flux through the loop when it is tilted such that the plane of the loop makes a 60? angle with the table?
A Wire having a mass per unit length of 10 g/cm carries a 3.00 A current horizontally to the south. What are the direction and magnitude of the minimum magnetic field needed to lift this wire vertically upward?
a microwave oven generates a sound level of 37.3 db when consuming 1.6 kw of power. estimate the fraction of this power
Although all atoms have moving electric charges, not all materials are magnetic (for example, copper or wood are not magnetic). Why, then, aren't all materials magnetic?
At rest, a car's horn sounds at a frequency of 410 Hz. The horn is sounded while the car is moving down the street. What is the speed of the car
A sled slides without friction down a small, ice covered hill. If the sled starts from rest at the top of the hill, its speed at the bottom are 7.50 m/s. On the second run the sled starts with a speed of 1.50m/s at the top. When it reaches the bottom..
The gravitational force between two electrons that are 0.97 m apart is 5.76 multiplied by 10-71 N. Find out the mass of an electron. (Use G = 6.67 10-11 N · m2/kg2.)
A parallel-plate capacitor is designed so that the plates can be pulled apart. What is the potential difference between the plates
An electron moves in a circular path perpendicular to a uniform magnetic field with a magnitude of 2.1 mT. Estimate the time it takes to complete one revolution
A positive charge +q1 is located to the left of a negative charge -q2. On aline passint through the two charges, theer are two places where the total potential is zero. The first place is between the charges and is 4cm to the left of the negativ..
what are the three longest wavelengths for standing waves on a 300-cm-long string that is fixed at both ends in meters?
A toy gun can shoot 12.00-g plastic bullets at 6.00 m/s. What compression should be if the speed of the bullet is to be increased to 7.00 m/s
A student sits at rest on a piano stool that can rotate without friction. The moment of inertia of the student-stool system is 3.7 kg · m2. A secondstudent tosses a 1.4-kg mass with a speedof 2.2 m/s to the student on the stool,
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