A. supports the sensation of hearing B. does not cause the emission of electrons from metals C. is an electromagnetic…
A. are atoms of the same element B. have the same chemical properties C. have the same atomic number D.…
A. it is a temporary magnet B. its strength depends on the current C. its strength depends on the number…
A. resistance is larger than reactance B. energy is not dissipated in a reactance C. energy is stored in resistance…
A. 10V B. 20V C. 25V D. 400V Correct Answer: Option B B. 20V Explanation V²=PR=V=√4x100 = 20V
A. 240Ω B. 360Ω C. 960Ω D. 1440Ω Correct Answer: Option C C. 960Ω Explanation R = V²/P=240²/60 =960Ω
A. 100.0C B. 10.0C C. 1.0C D. 0.1C Correct Answer: Option A A. 100.0C Explanation Q = it = 10…
A. length B. mass C. temperature D. cross-sectional area Correct Answer: Option B B. mass
A. 0.57A B. 1.00A C. 1.14A D. 2.00A Correct Answer: Option B B. 1.00A Explanation I = E/(R+r)=2/(1.5+0.5) = 1A
A. decrease B. increase C. remain the same D. increase and collapse immediately Correct Answer: Option B B. increase