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physics quiz 12 currently > quiz 5 > Flashcards

quiz 5 Flashcards

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1
Q

state the name and power of 10 for this prefix:m

A

milli, 10 to the power of -3

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2
Q

state the equation linking current ,charge and time in words

A

charge= current x time

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3
Q

state the name and the power of 10 for this prefix:M

A

Mega, 10 to the power of 6

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4
Q

state the name and the power of 10 for this prefix:k

A

kilo, 10 to the power of 3

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5
Q

what symbol is used instead of writing the word current?

A

I

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6
Q

state the name and the power of 10 for this prefix:T

A

Tera, 10 to the power of 12

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7
Q

state the unit of resistance

A

ohms

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8
Q

which direction do electrons flow

A

negative to positive

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9
Q

what direction does conventional current flow?

A

positive to negative

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10
Q

state the name and the power of 10 for this prefix:G

A

Giga, 10 to the power of 9

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11
Q

state the equation linking current, charge and time in symbols

A

Q= Ixt

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12
Q

state the name and the power of 10 for this prefix:n

A

Nano, 10 to the power of -9

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13
Q

state the name and the power of 10 for this prefix:c

A

centi, 10 to the power of -2

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14
Q

what symbol is used instead of writing charge

A

Q

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15
Q

How are potential difference and current related when resistance is constant?

A

Directly proportional or as potential difference increase, current increases

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16
Q

state the equation linking potential difference,charge and energy using words

A

Energy= charge x potential difference

17
Q

state the equation linking potential difference, current and resistance using words

A

potential difference= current x resistance

18
Q

How do we check that 2 variables are directly proportional

A

Divide the variables at least 3 times. Answer should be the same every tine

19
Q

How are resistance and current related when potential difference is constant?

A

Inversely proportionally OR as resistance increases, current decreases

physics quiz 12 currently (24 decks)

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