Electricity

Electricity - 4A

Lets Check Our Understanding

Multiple Choice

Rate of change of Charge is called as

• Voltage

• Current

• Ampere

• Resistance

Multiple Choice

What is the Units of current

• ampere

• coulomb

• volt

• ohm

Multiple Select

what are the units of Current

• Coulomb/Sec

• Ampere

• Joules

• Volts

Multiple Choice

According to Ohms law , which of the following is correct

• Current Increases if voltage increases

• Current Increases if voltage Decreases

• Current decrease if voltage increases

• Current is constant if voltage increases

Multiple Choice

Which of the following equations is correct ?

• v = I/ R

• I= V/R

• I= R/V

• R= I/V

Multiple Choice

What type of Current is utilized by Using a battery ?

• Static current

• Direct current

• Alternating Current

Multiple Choice

1 coulomb is approximately equal to how many number of electrons

• 
  

  $3\ \times10^{18}$

• $6\times\ 10\ ^{18}$

• $4\ \times\ 10^{18}$

Multiple Choice

When 2 A of current is passed through conductor having Resistance of 20 ohm. What is the voltage across the conductor ?

• 10 V

• 20 V

• 30 V

• 40 V

Multiple Choice

To measure voltage across a resistor, Voltmeter should be connected in __________ with resistor

• series

• Parallel

Multiple Choice

To measure current across a resistor, Ammeter should be connected in __________ with resistor

• Series

• Parallel

Multiple Choice

Voltage across a circuit carrying 0.5 A current is 25 V. Wat is the resistance of that circuit ?

• 50 ohm

• 5 ohm

• 12.5 ohm

• 125 Ohm

Multiple Choice

Lightening is an example of

• Current Electricity

• Static electricity

• Direct current

• Alternating current

Multiple Select

Resistance of the circuit is dependent on

• Length of resistor

• Thickness of resistor

• Current in the coil

• Material of the Resistance

Multiple Choice

As resistivity of material increases , conductivity ______________

• Increases

• Decreases

• does not change

Multiple Choice

Magnitude of which type of current is represented by Sin Wave

• Direct Current

• Alternating Current

• Static Current

Multiple Select

Which of the Following is Renewable Energy source

• Hydro Electricity

• Tidal Electricity

• Thermal Electricity

• Solar Power

• Tidal Power

Multiple Select

Work Done to move a charge across a conductor can be defined as

• Electricity

• Potential Difference

• Voltage

• Current

Multiple Select

Work Done to move a charge across a conductor can be defined as

• Electricity

• Potential Difference

• Voltage

• Current