The coil of an ac generator has 50 loops and a cross-sectional area of 0.25 m2. What is the maximum emf that can be generated by this generator if it is spinning with an angular speed of 4.0 rad/s in a 2.0-T magnetic field?
A) 400 V B) 200 V C) 100 V D) 50 V
C
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The slope of a velocity vs. time graph is the __________
Fill in the blank(s) with correct word
Ideal Gas Law: How many molecules are in (a) 1.0 cm3 of air at STP and (b) 1.0 cm3 of helium at STP? (R = 8.31 J/mol . K, NA = 6.022 × 1023 molecules/mol)
What will be an ideal response?
Let's say that the magnitude of a particle's displacement is 2 m. Which of the following values could represent the distance traveled?
(i) 0 m (ii) 1 m (iii) 2 m (iv) 3 m
1.(iii) and (iv) 2.(ii), (iii), and (iv) 3.(i) and (ii) 4.all of themIn an electroplating process, it is desired to deposit 40.0 mg of silver on a metal part by using a current of 2.00 A
How long must the current be allowed to run to deposit this much silver? (The silver ions are singly charged, and the atomic weight of silver is 108.)