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Strike441 [17]
3 years ago
7

In which type of transistor does current flow from the base to the emitter?

Physics
2 answers:
DedPeter [7]3 years ago
6 0

Answer:

The current flows from the base to the emitter in the NPN transistor.

Explanation:

NPN transistor  :

NPN transistor is a semiconductor in which the positively charged is sandwiched between two negatively charged.

In NPN transistor, V_{CB} is reverse-biases the collector-base junction and V_{BE} is forward- biases the emitter-base junction.

Hence, The current flows from the base to the emitter in the NPN transistor.

dimulka [17.4K]3 years ago
4 0
The anwser would be A 
     hope this helped
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20 points plz help i dont really understand how to do this
Artist 52 [7]

\huge{ \mathfrak{  \underline{ Answer} \:  \:  ✓ }}

1. Calculate the equivalent resistance in the circuit :

In the given diagram, the resistors are in series connection,

So equivalent resistance = sum of resistance of both resistors.

\large \boxed{R_{eq} =R_1 +R_2  }

  • R_{eq} =  480 + 360

  • R_{eq} = 840 \: ohms

Therefore, Equivalent resistance = 840 ohms.

2. Calculate the current through the battery :

\boxed{ \mathrm{current =  \dfrac{potential \:  \: difference}{resistance} }}

  • i =  \dfrac{120}{840}

  • i =  \dfrac{1}{7}

  • i = 0.142 \: Amperes

Hence, current through the battery = 0.142 A

3. How much current is passing through each resistor :

Since the resistors are joined in series connection, the current flowing through each resistor will be equal = 0.142 Amperes.

___________________________

\mathrm{ \#TeeNForeveR}

4 0
3 years ago
now suppose that we have attached not just two springs in series, but N springs. Write an equation that expresses the effective
sammy [17]

Answer:

 k_{eq} = \frac{k}{N}

Explanation:

For this exercise let's use hooke's law

         F = - k x

where x is the displacement from the equilibrium position.

        x = - \frac{F}{k}

if we have several springs in series, the total displacement is the sum of the displacement for each spring, F the external force applied to the springs

       x_ {total} = ∑ x_i

we substitute

       x_ {total} =  ∑ -F / ki

       F / k_ {eq} =  -F  \sum \frac{1}{k_i}

      \frac{1}{k_{eq}} = \frac{1}{k_i} 1 / k_ {eq} =  ∑ 1 / k_i

if all the springs are the same

     k_i = k

     \frac{1}{k_{eq}} = \frac{1}{k} \sum 1 \\

     \frac{1}{k_{eq} } =  \frac{N}{k}

     k_{eq} = \frac{k}{N}

6 0
3 years ago
According to the law of conservation of energy, which changes would
Svetach [21]
I think the answer is a that what i think
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3 years ago
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Which of the following about Dalton's theory of matter is true?
Lemur [1.5K]
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3 years ago
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EleoNora [17]

Answer:

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7 0
3 years ago
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