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Series And Parallel Connection
Test Description: Current and voltage in grouping connections
Instructions: Answer all questions to get your test result.
1) • 1-In a 4.5V cell, there are three lamps are grouped
A
a- In series
B
c- In the same wire
C
d- None of the above choices
D
b- In parallel
2) • 2-In a series circuit, the current leaving the dry cell is:
A
b- Less than the current entering it
B
c- Same the current entering it
C
a- Greater than the current entering it
D
d- None of the above choices
3) If the three identical lamps are grouped in parallel with the dry cell of 2V for each lamp, then the voltage across the dry cell is:r
A
c- 3V
B
a- 2V
C
d - 5 V
D
b -4V
4) The dry cell sends 0.2A to the two lamps are connected in series to it, then the current for each lamp is:
A
c- 3A
B
a- 1A
C
a- 0.2A
D
d- 4A
5) -The law of the uniqueness of current means:
A
a - I = I1+ I2
B
c- I= I1 only
C
a- I = I1= I2
D
b- I = I1 - I2
6) If the two lamps are grouped in parallel with the dry cell, then:
A
d- All the above choices
B
c - The voltages are the same
C
a- Udry cell = U1+U2
D
b -b- The current is additive
7) The law used for this relation UPN = U1=U2 called:
A
b- Law of uniqueness of voltage
B
d- Law of uniqueness of current
C
c- Law of addition pf current
D
a - Law of addition of voltage
8) If the voltage of the dry cell is 6V then, the voltage across the closed switch is:
A
c- 6A
B
a- 0A
C
d- 0V
D
b- 6V
9) If the dry cell sends 2A, then the current of an open switch is:
A
c- 0V
B
b- 2V
C
a- 2A
D
d- 0A
10) The direction of flow of current comes from
A
c- From the cell
B
a- Negative pole to the positive pole of the cell
C
d- d- None of the above choices
D
b- Positive pole to the negative pole of the cell
*select an answer for all questions
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