A solenoid is available that has 100 loops in 2 cm of length with a supermalloy core, and the maximum current for the solenoid wire is 1A. What flux density is possible for this solenoid in air?
What will be an ideal response?
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Slanting Surfaces Without Friction: A 7.5-kg stone moves up frictionless hill that slopes upward at 41° above the horizontal. If the stone has an initial velocity of 8.5 m/s at the bottom, how far (as measured along the surface of the hill) will it go before stopping?
Fill in the blank(s) with the appropriate word(s).
The Kepler mission searches for Earth-like planets by looking for the dip in the brightness of a star as such a planet transited across it. Why does this technique actually miss the vast majority of planets?
What will be an ideal response?
What device converts mechanical energy into electrical energy?
A) solenoid B) motor C) generator D) spectrometer E) transformer
A radio wave transmits 4.8 W/m2 average power per unit area. What is the peak value of the associated magnetic field? (m0 = 4p × 10^-7 T×m/A and c = 3.00 × 10^8 m/s)
a. 1.0 × 10^-7 T c. 2.0 × 10^–7 T b. 8.4 × 10^-3 T d. 30 T