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WorksheetsCURRENT ELECTRICITY (PART 2)
Total questions: 10
Worksheet time: 5mins
If bulb 1 burns out, what will occur?
bulbs 2 and 3 will go out
bulbs 2 and 3 receive more volts
bulbs 2 and 3 will stay lit
nothing will happen
Does this statement best describe a parallel or a series circuit:
When more light bulbs are added they all remain bright.
Parallel circuit
Series circuit
Does this statement best describe a parallel or a series circuit:
Different currents flow through each resistor.
Series circuit
Parallel circuit
A Carbon Resistor is marked in colour bands of Red, Black,Orange,Silver.What is the resistance and tolerance value of the resistor ?
20 kilo ohm & +- 10%
18 kilo ohm & +-5%
25 kilo ohm & +- 10%
20 kilo ohm
A resistor's first three color bands are brown, black, and red. What is its value?
10 ohms
10K ohms
200 ohms
1000 ohms
Which digit on the 1st band does the color yellow denote on a resistor color band?
3
2
4
7
Which of these colors is NOT used in the resistor's color code value?
White
Black
Pink
Violet
By what percent the specific resistance of a conductor change when it is length is increased by two times?
10%
20%
5%
No change
The resistivity of alloy manganin is:
Increases rapidly with increase in temperature
Nearly independent of temperature
Decreases with increase in temperature
Increases rapidly with decrease in temperature
The I-V characteristics shown in figure represents
ohmic conductors
non-ohmic conductors
insulators
superconductors
