A galvanometer has a coil with a resistance of 24.0 ?, and a current of 180 ?A causes it to deflect full scale. If this galvanometer is to be used to construct an ammeter that can read up to 10.0 A, what shunt resistor is required?
A) 123 µ?
B) 234 µ?
C) 342 µ?
D) 432 µ?
E) 423 µ?
D
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Since its density is similar to ours, we think that Venus too has a core of ________
Fill in the blank(s) with correct word
Which of the following is NOT a conventional spacecraft design?
A) a matter—antimatter rocket B) a chemical rocket C) a solar sail D) a nuclear rocket
Two ice skaters push off against one another starting from a stationary position. The 45.0-kg skater acquires a speed of 0.375 m/s. What speed does the 60.0-kg skater acquire?
Assume that any other unbalanced forces during the collision are negligible. A) 0.500 m/s B) 0.281 m/s C) 0.375 m/s D) 0.750 m/s E) 0.000 m/s
The color of an opaque object is the same as the light that is
A) transmitted. B) absorbed. C) reflected. D) all of the above E) none of the above