SAE Ebike prelims

Which battery is popularly used for electric bike?

• Lithium ion battery

• Fuel cell

• Zinc air battery

The ________ is an electric motor which is directly incorporated to the wheel and drives it directly.

• Induction motor

• Synchronous motor

• Hub motor

• Sub motor

_______ consists of a brake rotor which is attached directly to the wheel

• Disc

• Drum

• Anti-lock

_______ states that stress is directly proportional to strain within the elastic limit

• Newton's law

• Hooke's law

• Lami's theorem

_______ is a device used to convert one form of energy into a readable signal.

• Sensor

• Transducer

• Diode

• Alternator

In magnetic motor,magnetic fields are formed in

• Rotor

• Stator

• Rotor & Stator

Impedence _______ as current increases

• Increases

• Decreases

• remains the same

• Independent of each other

Magnetic field of lines flows from ________ inside the magnet

• South - North

• North to South

OHM's Law Formula

• V=IR

• V=I/R

• VI=R

• I=V/R

The _______ is the standard international unit of electric potential or electromotive force.

• Current

• Volt

• Ampere

• Stress