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Circut is arranged in a loop, with resistor (5 ohm), power source(2V), resistor (3 ohm), and another power source (3V) connected subsequently. What is the voltage on 5ohm resistor?

The questions is constructed to show, that the order of devices do not affect the currents or voltages.

5ohm / ( 3 + 5)ohm = x/ 2V +5V x = 35/8 V = 4 3/8V

Answered by Anna W. • Physics tutor

2019 Views

a bat emits sound waves with a range of wavelengths. Some of the sound waves will be diffracted by the insect. Complete the following sentences to explain why. [2 marks] Diffraction is caused by the sound waves _______________________________________

spreading out

Answered by Ralph T. • Physics tutor

3209 Views

Take quadratic equation x^2-6x+14=0 and its solutions a and b. What is a/b+b/a?

In this kind of exersise it is easy to use Viète's formula for quadratic equations: Let: a+b = S ab=P then x²-Sx + P=0 In our case, S=6 and P=14 by multiplying the fractions we get: (a

Answered by Andreea-Lorena M. • Further Mathematics tutor

2279 Views

Why can't you divide something by 0?
Let's go back to the definition of division: If we have a number o apples a and b persons to share them with, we can say that each person gets a/b apples. Example: 4 apples and 2 p...
AM
Answered by Andreea-Lorena M. • Maths tutor
3455 Views

What is an acid and what is the difference between and strong and weak acid
An acid is a proton donor. The acid molecule may have one or more protons that it can lose depending on its structure, however generally the second proton is much less acidic (meaning that it is lost much...
LS
Answered by Lea S. • Chemistry tutor
2412 Views

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Top answers

Circut is arranged in a loop, with resistor (5 ohm), power source(2V), resistor (3 ohm), and another power source (3V) connected subsequently. What is the voltage on 5ohm resistor?

a bat emits sound waves with a range of wavelengths. Some of the sound waves will be diffracted by the insect. Complete the following sentences to explain why. [2 marks] Diffraction is caused by the sound waves _______________________________________

Take quadratic equation x^2-6x+14=0 and its solutions a and b. What is a/b+b/a?

Why can't you divide something by 0?

What is an acid and what is the difference between and strong and weak acid

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