Using a negative impedance converter the impedance can be made negative. Some common devices like the neon lamp exhibit the negative impedance.... View Article
A low voltage capacitor can be discharged using an insulated screwdriver safely. However, it is always better to put together the capacitor... View Article
The fundamental waveform is called the first harmonic waveform. In an AC circuit, the fundamental waveform has the supply frequency. Harmonics... View Article
When a dielectric material is placed in an electric field it gets polarised. When the material is polarised. The field produced in the dielectric... View Article
Sound will always travel in a straight line until something interferes with the path of the sound wave. When the sound waves enter a different... View Article
The period of the pendulum does not depend on the angle the pendulum makes with the vertical orientation. If the angle is smaller the pendulum... View Article
The pendulum has only a few components which include the string that suspends the bob, the bob which is a small mass and the pivot point to which... View Article
The moonlight has a similar composition of the sunlight but the shift is slightly towards the red. While the light from the sun is completely... View Article
No, the speed of the pendulum is not affected by the weight. If we have two pendulums with two different weights the acceleration experienced by... View Article
1) Increasing in (1, ∞) 2) Decreasing in (1, ∞) 3) Increasing in (1, e) decreasing in (e, ∞) 4) Decreasing in (1, e), increasing in (e,... View Article
1) [5π / 6, 3π / 4] 2) [π / 4, π / 2] 3) [3π / 2, 5π / 2] 4) None of these Solution: (4) None of these f (x) = sin x - cos x f’... View Article
