How many quantities are required to specify the magnetic field of the earth? a) 1 b) 2 c) 3 d) 4
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How many quantities are required to specify the magnetic field of the earth?
a) 1
b) 2
c) 3
d) 4
Step by step
Solved in 2 steps
- Q.)What's the maximum permitted deviation for a magnetic compass? A. 10 degrees B. 3 degrees C. 1 degree D. 5 degrees5 5) What is the magnetic field strength at the dot? d=0.1 m and I= 5A A) 26.79 x10-6T B) 13.38x10-6T C) 39.20 x10-6T D) 88.00 x10-6T 6) What is the direction of the magnetic field B at the dot? A) out of the pagev B) into the page C) points left d d/2 D) points right E) There is no magnetic field 7) What would be the direction of the magnetic force acting on a proton initially placed at the dot if this proton moves into the page? A) points right B) points left C) points down D) points up E) There is no magnetic force 8) What would be the direction of the magnetic force acting on an electron initially placed at the dot if this electron moves to the right? A) out of the page B) into the page C) points left D) points rightE) There is no magnetic force 2With the use of examples, compare and contrast electric fields and magnetic fields. Be sure to include relevant equations, graphs, and diagrams to support (but not replace) your answer.
- q6)7. A very long thin wire produces a magnetic field of 0.002 x 10-4 T at a distance of 1.0 mm from the wire. What is the magnitude of the current? = 4 x 10-7 T.m/A) (Mo a) 1.0 mA b) 2.0 mA c) 4000 mA d) 3100 mA 8. An ideal solenoid having 200 turns and carrying a current of 2.0 A is 25 cm long. What is the magnitude of the magnetic field at the center of the solenoid? (но = 4 x 10-7 T.m/A)14
- Which of the above objects falls in each category? The bar magnet The magnetic car The nail The copper and zinc electrodes (the spade-shaped pieces of metal). Category 1 objects will not or attract or repel anything magnetically. Category 2 objects will be attracted to category 3 objects. Category 3 objects will be attracted to category 2 objects, and will either attract or repel other category 3 objects, depending on how they are oriented.A wire 0.9 m long carrying a current of 2.1 A is at right angles to a 1.0 T magnetic field. How strong a force acts on the wire? Round your answer to two decimal places Your Answer: Answer units