C According to the right-hand grip rule, the magnetic field caused by the current- carrying wire will only make the needles move out or into the plane ... The more concentrated the coils are being packed, the stronger will be the magnetic field strength. B has an equivalent of ... B One of the factors that determine the strength of the electromagnet is the magnitude of the current flowing in the solenoid. Havinganbsp;...
|Title||:||801 Science Physics Mcqs for N Level|
|Publisher||:||Pearson Education South Asia -|