A ten loop coil of area 0.23 m2 is in a 0.047 T uniform magnetic field oriented so that the maximum flux goes through the coil. The average emf induced in the coil is
A)
1.1 × 10-3 V.
B)
0.
C)
1.1 × 10-2 V.
D)
1.1 × 10-4 V.
E)
1.1 × 10-1 V.
B
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Fundamental Forces: The two strongest forces that act between protons in a nucleus are
A. the weak nuclear and electromagnetic forces. B. the weak nuclear and the gravitational forces. C. the electrostatic and the gravitational forces. D. the strong nuclear and the electrostatic forces.
Mean Life: Isotope A has a decay constant of 0.861 s-1 and isotope B has a decay constant of 0.627 s-1. Which isotope has a longer mean life (time constant)?
A. isotope A B. isotope B
Because Jupiter's four large moons were discovered by Galileo, they are called ______________ moons
Fill in the blank(s) with correct word
A steel stack of 4 m diameter is 60 m high and is used to exhaust gases that are at an average temperature of 600ºC. The stack wall temperature is 1000 when the surrounding air temperature is 20ºC. Estimate the stack gas velocity.
What will be an ideal response?