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ki77a [65]
3 years ago
13

What is the voltage drop across R4 in the diagram shown above?

Computers and Technology
1 answer:
pickupchik [31]3 years ago
3 0
R₂ and R₃ can be replaced by:

R_5 =  \frac{1}{\frac{1}{R_2} + \frac{1}{R_3}} = 106 \frac23

The total R of the circuit is R₁+R₅+R₄ = 706 2/3

So the current in the circuit I=V/R is 100/(706 2/3) = 15/106 A
(I'm deliberately not trying to round the result)

The voltage drop over R₄ is V=I*R = 15/106 * 500 ≈ 70

So answer C would be my choice.

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Read 2 more answers
In cell F29, use an IF function to display the correct Shipping Charge, based on the amount of the Discounted Total. If the Disc
sladkih [1.3K]

Answer:

= IF(B29 >= B28,0,(0.05 * B29))

Explanation:

Given

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Shipping Charge = F29

Required

Write a formula in F29 to calculate the total shipping charge based on the condition in the question.

To solve this, the following assumption needs to be made.

It'll be assumed that cell B29 contains the value for Discounted Total.

So,

Discounted Total = B29

The condition in the question says

1. If Discounted Total (B29) is greater than or equal to the Free Shipping Minimum (B29), then Shipping Charge (F29) is 0

This can be represented as

If(B29 >= B28)

F29 = 0

2. Else (i.e. if (1) above is false), Shipping Charge (F29) equals 5% of Discounted Total (B29)

This can also be represented as

F29 = 0.05 * B29

Writing the formula in (1) and (2) together in Excel format;

= IF(B29 >= B28, 0, (0.05 * B29))

The above formula will give the desired result based on the condition in the question.

Take for instance;

Free Shipping Minimum = B28 = 28

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Since 30 >= 28, the value of F29 will be 0 because it satisfies condition 1.

But if

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Since 28 < 30, the value of F29 will be 5% of 28 = 1.4 because it satisfies condition 2

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3 years ago
The following program declares an array of char named as myString There are 6 following cases (a, b, c, d, e, f) to access myStr
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Answer:

See explaination

Explanation:

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d.

reading string upto length 80 from the user and stored it in myString variable

e.

prints the string enetered by user to console

f.

replacing 7th character by 't'

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