Sawaal

 Physics Questions

Popular Latest Rated
Q:

When a number of resistors are connected in series in a circuit, the value of current:

A) increases B) becomes half
C) decreases D) remains the same
 
Answer & Explanation Answer: D) remains the same

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: CAT , Bank Exams , AIEEE

0 1555
Q:

In a transformer the tappings are generally provided on

A) Primary side B) low voltage side
C) High voltage side D) Secondary side
 
Answer & Explanation Answer: C) High voltage side

Explanation:

Tappings are provided in order to maintain the terminal voltage across the loads within the permissible specified limits with respect to load variations.

Generally tappings are preferred on HV side, because the HV side is low current side, tap changer involves low current interruption and large variations or small steps are possible due to more no of turns.

Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams

1 1555
Q:

1 m/s equals ____________ km/hr

A) 5/16 B) 16/5
C) 18/5 D) 5/18
 
Answer & Explanation Answer: C) 18/5

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams

2 1554
Q:

The unit of measurement of noise is

A) Decibel B) Hertz
C) Amplifier D) Acoustics
 
Answer & Explanation Answer: A) Decibel

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics

1 1551
Q:

Which of the following is a renewable source of energy?

A) Coal B) Petroleum
C) Plant D) Natural Gas
 
Answer & Explanation Answer: C) Plant

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams

1 1551
Q:

If speed of rotation of the earth increases, the weight of the body

A) decreases B)
C) D)
 
Answer & Explanation Answer: A) decreases

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams

0 1550
Q:

The color with the longest wavelength is

A) Red B) Violet
C) Indigo D) Orange
 
Answer & Explanation Answer: A) Red

Explanation:

Each color has a different wavelength.

 

Red has the longest wavelength and violet has the shortest wavelength.

Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams , CAT

5 1550
Q:

Which instrument is used for measuring humidity of atmosphere?

A) Barometer B) Anemometer
C) Thermometer D) Hygrometer
 
Answer & Explanation Answer: D) Hygrometer

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams

2 1549