What current in a solenoid 15.0-cm long wound with 100 turns would produce a magnetic field equal to that of the Earth, 5.00 × 10^?5 T?
59.7 mA
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A transformer consists of a 500-turn primary coil and a 2000-turn secondary coil. If the current in the secondary is 3.0 A, what is the current in the primary?
A) 0.75 A B) 1.3 A C) 12 A D) 24 A E) 48 A
The North star is a star in the constellation of Ursa Minor, which lies just above the North pole of Earth. Which of the following is FALSE?
A) There are 12 Zodiac constellations. B) The Zodiac constellations are not located just above the North pole of Earth. C) The Zodiac constellations are not located just above the South pole of Earth. D) Ursa Minor is a Zodiac constellation. E) Ursa Minor is not a Zodiac constellation.
All chemical and biological reactions involve the creation and breaking of chemical bonds, which are bonds between the electrons of one atom and the electrons of others
Given this fact, explain why the electromagnetic force governs all chemical and biological reactions. Also explain why the strong force, the weak force, and gravity play no role in these reactions.
The graphical representation of stream discharge over a period of time.
What will be an ideal response?