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Gemiola [76]
3 years ago
6

What is the maximum current value that can be measured with an analog VOM? A. 5 A B. 20 A C. 10 A D. 15 A

Physics
2 answers:
Korvikt [17]3 years ago
8 0
Answer is b to ur question
zvonat [6]3 years ago
4 0

Answer:

B) 20 A

Explanation:

VOM full form is Volt Ohm milliammeter. It indicates that voltage, resistance and the current can be measured using this device. When the variations are very rapid , analog VOM is used instead of a digital VOM.

Using this current ( both A C and DC) can be measured in amperes.

Though the accuracy given by digital devices are more accurate, to identify changes in the circuit being tested and for trouble shooting, analog meters are more preferred.

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Two small balls, each of mass 5.0 g, are attached to silk threads 50 cm long, which are in turn tied to the same point on the ce
Rama09 [41]

In triangle ABC

Sin5 = BC/AC

BC = (AC) Sin5

BC = (50) Sin5 = 4.36 cm

r = distance between the two balls = 2 BC = 2 x 4.36 = 8.72 cm = 0.0872 m

q = charge on each ball

m = mass of each ball = 5 g = 0.005 kg

electric force between the two balls is given as

F = \frac{kq^{2}}{r^{2}}

using equilibrium of force in vertical direction

T Cos5 = mg eq-2

Using equilibrium of force in horizontal direction

T Sin5 = F eq-3

dividing eq-3 by eq-2

T Sin5 /(T Cos5) = F/mg

F = mg tan5

using eq-1

\frac{kq^{2}}{r^{2}} = mg tan5

inserting the values

\frac{(9 \times 10^{9})q^{2}}{(0.0872)^{2}} = 0.005 x 9.8

q = 2.03 x 10⁻⁷ C

sign of charge is same on both the balls. either it is negative or positive

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3 years ago
Me izz in canada hehe Xd<br>just in 2 mins wow​<br><br>what is immunization?
Kruka [31]

Answer:

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Explanation:

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4 0
3 years ago
Three students are having a conversation. It goes like this. Allison says: "This problem says, can you add a resistor to the cir
notsponge [240]

Answer:

Nima and Natasha are absolutely correct.

Explanation:

When connecting two resistors in series, their resistances add:

R_{eq}=R_{1}+R_{2}

which means that whenever we add a resistance in series, their magnitudes will add, giving us a resistance that is greater than the original resistance, which will demand less current from the battery because of ohm's law:

I=\frac{V}{R}

So, the greater the resistance, the smaller the current.

When connecting two resistors in parallel, the reciprocal of ther resistances add:

\frac{1}{R_{eq}}=\frac{1}{R_{1}}+\frac{1}{R_{2}}

or

R_{eq}=\frac{R_{1}R_{2}}{R_{1}+R_{2}}

The equivalent resistance will always be less than the smallest resistor in the circuit, so the equivalent resistance will always decrease as more resistors are added. A decrease in the resistance means that the current will increase.

8 0
3 years ago
Problem: The frequency of an FM radio station is 89.3 MHz. Calculate its period. Part B: From the Library, select the general eq
vekshin1

Answer:

Time period, T=1.11\times 10^{-8}\ s

Explanation:

We have,

The frequency of an FM radio station is 89.3 MHz.

It is required to find the period of the wave.

The reciprocal of frequency is called time period of a wave. It can be given by :

T=\dfrac{1}{f}\\\\T=\dfrac{1}{89.3\times 10^{6}\ Hz}\\\\T=1.11\times 10^{-8}\ s

So, the period of the wave is 1.11\times 10^{-8}\ s.

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4 0
3 years ago
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