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Wireman
WIRING JOINTS AND SOLDERING
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Q14261
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Which is called valance electron in an atom?
A
Half the total No of electron
B
No: of electron in middle orbit
C
No: of electron in inner most orbit
D
No: of electron in the outer most orbit
Q14262
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How many electrons are in a copper atom?
A
27
B
28
C
29
D
30
Q14263
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How many number of electrons will move in one second for one ampere current through the conductor?
A
6.24 X 10<sup>15</sup>
B
6.24 X 10<sup>16</sup>
C
6.24 X 10<sup>17</sup>
D
6.24 X 10<sup>18</sup>
Q14264
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What is the property of direct current?
A
Magnitude and direction of current changes with time
B
Magnitude and direction of current remains constant
C
Direction of current changes with time
D
Magnitude of current changes with time
Q14265
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Which effect is produced, if the current is passed through a conductor?
A
Thermal effect
B
Magnetic effect
C
Chemical effect
D
Electrostatic effect
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