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Drugs > Units Of Measurement > Flashcards

Units Of Measurement Flashcards

0
Q

How is Power measured

A

In Watts

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1
Q

How is energy measured

A

Joules

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2
Q

How is electrical resistance measured?

A

Ohms

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3
Q

How is conductance measured?

A

Siemens

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4
Q

How is electromotive force measured?

A

volt

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5
Q

1kg = ? Pounds

A

2.2

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6
Q

1fluid oz = ? Mililiters

A

30ml or cc

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7
Q

1 French = ? Millimeters?

A

0.33

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8
Q

1 inch = ? Centimeters

A

2.54

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9
Q

What is Ohms law?

A

V=IR

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10
Q

How is voltage measured?

A

In volts

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11
Q

What does the I stand for in the equation V=IR

A

Current; measures milliamp or amp

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12
Q

What does the R stand for in the equation V = IR?

A

Resistance

Measured in ohms

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13
Q

In ohms law, voltage is directly proportionate to —- and —-

A

Current and Resistance

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14
Q

Besides V=IR, how else can you calculate ohms law?

A

I=V/R

R=V/I

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15
Q

How would I calculate the current?

A

I=V/R

mA=volts/ohm

16
Q

According to Ohms law, how is energy measured?

A

Joules
J=voltage/current/time
J = (Vsquared/I)*T

17
Q

What symbol is used to represent ohms?

A

W

18
Q

A series circuit has —- path of current flow, and a parallel circuit has —- path of circuit.

A

One

2 or more

19
Q

To calculate a voltage drop in a series circuit you will…

A

Divide the total voltage by the total resistance.
I = V /RT

Amp = voltage/total resistance (ohm) within the circuit.

20
Q

What happens if there is a break in a series circuit?

A

No current will flow.

21
Q

What is a general rule of thumb for a series circuit?

A

The total resistance is equal to the sum of the resistors.

22
Q

What is the general rule for parallel circuits?

A

The total resistance is always less then any of the branch resistance. And adding more parallel resistances to the paths cause the total resistance to decrease.

23
Q

The property of an electrical circuit component through which current flows is proportional to the applied voltage is known as?

A

Resistance

24
Q

What term is equivalent to Joule

A

Watt-Second

25
Q

In a circuit with resistance of 500 ohms and 600 ohms in parallel, the circuit resistance will be?

A

Less then 500ohms

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