Electricity and Magnetic Fundamentals

111. Ohm∧s law cannot be applied to which material?

1. Copper
2. Silver
3. Silicon carbide
4. Aluminum

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112. One ampere- turn is equivalent to _________ gilberts

1. 1.16
2. 1.26
3. 1.36
4. 1.46

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113. One coulomb of charge consists of _________ electrons.

1. 624 X 10∧16
2. 62.4 X 10∧16
3. 6.24 X 10∧16
4. 0.624 X 10∧16

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114. One electron volt (1 eV) is equivalent to _________ joules

1. 1.3 x 10∧-19
2. 1.4 x 10∧-19
3. 1.5 x 10∧-19
4. 1.6 x 10∧-1

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115. One farad equals

1. 1 coulomb/volt
2. 1 newton/coulomb
3. 1 newton-meter
4. 1 volt/second/ampere

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116. One oersted (Oe) is equivalent to _________ Gb/cm.

1. 1
2. 10
3. 100
4. 1000

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117. One of the common application of an air- cored choke.

1. Radio frequency
2. Audio frequency
3. Power supply
4. Power transformer

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118. One of the solid structures in which the position of the atoms or ions are predetermined

1. Crystalline solid
2. Amorphous solid
3. Polycrystalline solid
4. Poly- amorphous solid

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119. One that has magnetic poles produced by internal atomic structure with no external current necessary

1. Diamagnetic
2. Permanent magnets
3. Paramagnetic
4. Electromagnetic

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120. One weber of flux is equal to _________ magnetic lines of force.

1. 10∧6
2. 10∧10
3. 4π X 10∧7
4. 10∧8

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