Searching for "electrical"

Q:

A source maintains a current I in a resistor of resistor of resistance R. If V is the potential difference across the resistor. The electrical energy dissipated in the resistor in time is given _____

 

A) VI2t B) V2It
C) IR2t D) VIt
 
Answer & Explanation Answer: D) VIt

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams

Q:

The pie chart shows the number of students enrolled in the various engineering courses that a certain college offers. Study the diagram and answer the following questions.

 

 

 

The measure of the central angle of the sector representing the Electrical course is ________ degrees.

 

A) 120   B) 90  
C) 100   D) 80
 
Answer & Explanation Answer: D) 80

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Pie Charts
Exam Prep: Bank Exams

Q:

What is the resistance (in Ω) of an electrical component if a current of 0.4 A passes through it on application of 12 V of potential difference across it?

 

A) 4.8 B) 60
C) 9.6 D) 30
 
Answer & Explanation Answer: D) 30

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams

Q:

The first large scale electrical air conditioning was invented and used in 1902 by

A) Willis Carrier B) John Gorrie
C) Stuart Cramer D) H.H. Schultz
 
Answer & Explanation Answer: A) Willis Carrier

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Inventions
Exam Prep: Bank Exams

Q:

Which of the following devices converts Chemical energy into Electrical energy?

A) Electric heater B) Electric fan
C) Hair dryer D) Electric cell
 
Answer & Explanation Answer: D) Electric cell

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams , CAT

Q:

What is the resistance (in Ω) of an electrical component if a current of 0.2 A passes through it on application of 8 V of potential difference across it?

 

A) 40   B) 1.6  
C) 80   D) 3.2
 
Answer & Explanation Answer: A) 40  

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams

Q:

_____ often referred to as a shock treatment, is a psychiatric treatment in which seizures are electrically induced in patients to provide relief from psychiatric illnesses.

 

A) Electromyography (EMG) B) Electrocardiogram (ECG)
C) Electroencephalography (EEG) D) Electroconvulsive therapy (ECT)
 
Answer & Explanation Answer: D) Electroconvulsive therapy (ECT)

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Biology
Exam Prep: Bank Exams

Q:

What of the given below devices converts chemical energy to electrical energy?

A) Transformer B) Battery
C) Electric Generator D) Wheel
 
Answer & Explanation Answer: B) Battery

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams