Determin the emf amplitude in the secondary
The primary coil of a transformer has 237 turns; the secondary coil has 2100 turns. An alternating current is sent through the primary coil. The emf in the primary is 25 V. What is the emf amplitude in the secondary?
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A plane inclined at an angle (theta) is covered with dust. An essentially mass-less dustpan on wheels is released from rest and rolls down the plane, gathering up dust. The density of the dust in the path of the dustpan is (sigma) [kg/m]. What is
A crate has the dimensions of 1.0 m x 1.2 m x 0.80 m. If there are 3.28 feet per meter then what is the volume of the crate in cubic feet?
A bottle of wine known as a squinch contains a volume of 1.1 liters. A bottle known as a serroboam contains 7.5 U.S. gallons. How many squinches are there in one serroboam?
A certain telescope has a 5 ′ ×5 ′ 5<units>'</units> times 5<units>'</units> field of view that is recorded using a CCD chip having 2048×2048 2048 times 2048 pixels. What angle on the sky corresponds
Neglecting air friction, what minimum projection angle would achieve this result? What maximum pro- jection angle would achieve this result?
Consider two identical bodies with specific heat capacity c p and with negligible thermal expansion coefficients. Show that when they are placed in thermal contact in an adiabatic enclosure their final temperature is (T 1 +T 2 )/2 where T 1 and T
Draw the force vectors acting on m1 such that their tails align with the center of the block labeled m1 (indicated by the black dot). Draw the force vectors acting on m2 with their tails aligned with the center of the block labeled m2. The orienta
A second object is propelled vertically up from ground level with a speed of 20 m/s. At what height above the ground will the two objects pass each other? The acceleration of gravity is 9.8 m/s2.
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