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In transistor symbols, the arrows shows ...

In transistor symbols, the arrows shows the direction of-

A

current in the emitter

B

electron current in the emitter

C

holes current in the emitter

D

electron current in the emitter

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The correct Answer is:
A
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Case 1: A chemical equation is the representation of chemical change in terms of symbols and formulae of reactants and products. The substances which react are written on the left hand side of the arrow and are termed as reactants while the substances produced as result of reaction are called products and are written on the right hand side of the arrow. The arrowhead shows the direction of the reaction. A chemical equation in the which the number of atoms of each element on reactant side is equal to that on the product side is said to be balanced. In which of the following equation the mass is not same on both the sides?

Case 1: A chemical equation is the representation of chemical change in terms of symbols and formulae of reactants and products. The substances which react are written on the left hand side of the arrow and are termed as reactants while the substances produced as result of reaction are called products and are written on the right hand side of the arrow. The arrowhead shows the direction of the reaction. A chemical equation in the whcih the number of atoms of each element on reactant side is equal to that on the product side is said to be balanced. Among the following the correct balanced equation is

ALLEN-SEMICONDUCTORS-Part-3(Exercise-1)
  1. When a junction diode is reverse biased, then current called drift cur...

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  2. The thinest part of a transistor is

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  3. In transistor symbols, the arrows shows the direction of-

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  4. Transistor can be used as :-

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  5. A device whose one end is connected to -ve terminal and other end conn...

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  6. A common emitter circuit is used as an amplifier, its current gain is ...

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  7. In which case is the junction diode is not reverse bias-

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  8. For transistor relation in current amplification factors is-

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  9. In a full wave rectifier if input freq, is 50 Hz then output nipple fr...

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  10. What is the ratio of forward and reverse resistance of p-n junction di...

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  11. If the forward voltage in a diode is increased, the width of the deple...

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  12. In an NPN transistor the collector current is 10 mA. If 90% of electro...

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  13. A npn transistor conducts when

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  14. For pure ''Ge'' semiconductor quantity of ''e'' and hole is 10^(19) e...

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  15. In given diagram which p-n junction in reverse biased

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  16. In a p-n junction diode having depletion layer of thickness 10^(-6)m, ...

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  17. A Ge specimen is dopped with Al. The concentration of acceptor atoms i...

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  18. Assuming that the junction diode is ideal the current through the diod...

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  19. When two semiconductor of p and n type are brought in to contact, they...

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  20. In a forward biased PN- junction diode, the potential barrier in the d...

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