Quiz - EMERFLUX DAY 23.03.2022

Which Parameter CANNOT be measured using a Multimeter

• Temperature

• Frequency

• Resistance

• Pressure

One Coulomb of Charge is equal to the Charge on

A length of wire has a resistance of 6 ohms. The resistance of a wire of the same material three times as long and twice the cross-sectional area will be

• 36 ohms

• 9 ohms

• 1 ohm

• 12 ohms

Rms value is defined based on which of the following?

• Heating effect

• Charge transfer

• Current

• Voltage

Voltage drop across 14.5 Ω resistor in the figure is

• 29 V

• 30.5 V

• 14 V

• 18 V

Referring to the figure,The total circuit resistance will be

• 1000Ω

• 400Ω

• 1400Ω

• 135Ω

Who discovered Electromagnetic Induction?

• Benjamin Franklin

• Otto Hahn

• Michael Faraday

• Albert Einstein

The direction of the induced emf in generators is found out using

• Fleming's right hand rule

• Fleming's left hand rule

• Faraday's left hand rule

• Right hand thumb rule

How can the direction of a capacitor start single phase motor be reversed?

• Reverse the connection to the capacitor

• Reverse the connection to the start winding

• Reverse the polarity of the supply

• Reverse the connection of the start and run windings

The ripple factor of a half-wave rectifier is

• 0.48

• 1.21

• 2

• 2.5