Electronics - Voltage and Current

Exercise :: Voltage and Current - General Questions

6. 

The battery symbol is:

A. mca1_1009a1.gif
B. mca1_1009b1.gif
C. mca1_1009c1.gif
D. mca1_1009d1.gif

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

7. 

What type of switch is this?

A. push button
B. SPST
C. DPDT
D. SPDT

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.

8. 

Primary batteries, unlike secondary batteries, may be:

A. charged once
B. used once
C. recharged over and over
D. stored indefinitely

Answer: Option B

Explanation:

Primary batteries (disposable batteries), which are designed to be used once and discarded when they are exhausted.

Secondary batteries (rechargeable batteries), which are designed to be recharged and used multiple times.


9. 

In practical applications, battery voltage:

A. is restored as soon as disconnect occurs
B. is lowered as the load increases
C. may be stored indefinitely
D. will be reduced to zero as power is drawn

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

10. 

The negative and positive charge symbols are assigned (in that order) to the:

A. proton and electron
B. electron and proton
C. atom and nucleus
D. electron and element

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.