Instead of the usual vector diagram involving forces, these questions involve speed in a specific direction, which is velocity. Velocity ...

Instead of P = IV to explain, it might be easier to explain using P = I^2R when the components are connected in series where current I is...

For these type of questions, it is important to identify which tyre/wheel is connected/powered by the engine or the person. On each tyre...

Do you understand why there is a potential difference between P and Q? What if you are to find the potential difference between P and Q?...

Resistors may be connected in series or parallel. When asked which resistor has higher power (hence higher energy), in general we will...

Answer: Option D View the video tutorial for the explanation