What is the decay constant of a radioactive element whose half-life is 3 seconds
0.132s-1
0.23s-1
0.347s-1
0.693s-1
0.924s-1
Correct answer is B
No explanation has been provided for this answer.
65 Ω
18 Ω
16 Ω
14 Ω
12 Ω
Correct answer is E
No explanation has been provided for this answer.
3.6A
3.8A
9.2A
10.0A
13.0A
Correct answer is E
No explanation has been provided for this answer.
20,000J
10,000J
5,000J
4,000J
200J
Correct answer is A
E=I\(^2\)rt
E=5\(^2\) * 8 * 100
E=20000j
Heat Energy Generated(Q) ⇔ Energy(E)
Q = 20000j
The electric potential at point P in the diagram above can be expressed as
Q2/(4πεor2)
Q/(4πεor2)
Q/(4πεor)
Q2/(4πεor2)
Q/(4πεor) 2
Correct answer is C
No explanation has been provided for this answer.
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