current electricity Flashcards

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1
Q

what do cells in parallel do?

A

increases the life span of a cell

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2
Q

what do cells in series do?

A

increases the voltage of a cell

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3
Q

what is static electricity?

A

the study of electric change that build up on an object (changes at rest)

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4
Q

what is current electricity?

A

the study of electric charge that move along a conductor through a closed circuit

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5
Q

what does a source do? list examples

A

it produces the energy - cell/battery

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6
Q

what does a load do? list examples

A

it’s where the energy is being used - light bulb/metor

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7
Q

what does a control device do? list examples

A

determines if the device is on or off/open or closed - switch/fuse

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8
Q

what does a connector do? list example

A

spreads the energy from the electrical source to the load - conducting wire/ joined wires

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9
Q

what does a meter do? list examples

A

used to measure current or voltage - ammeter/voltmeter

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10
Q

what is a primary cell?

A

one use such as wet cells or dry cells

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11
Q

what is a secondary cell?

A

can be used more than once or recharged

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12
Q

is wind renewable or non-renewable? what are some advantages and disadvantages?

A

renewable

  • cheaper that other methods -they’re a big eye sore
  • added and removed easily -some are noisy
  • locations are easy to find
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13
Q

is fossil fuel coal renewable or non-renewable? what are some advantages and disadvantages?

A

non-renewable

  • easy and inexpensive to mine -airborne particles
    - irritates the body
    - pollutes
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