# Shared Flashcard Set

## Details

Conceptual physics
part five , electricity study guide
25
Physics
Professional
08/08/2013

Term
 The electrical force of attraction between an electron and a proton is greater on the
Definition
 Neither both are the same
Term
 When you brush your hair and scrape electrons from your hair the charge of your hair becomes
Definition
 Positive
Term
 According to Coulomb, a pair of charged particles placed twice as close to each other experience a force
Definition
 4 times as strong
Term
 When you buy a piece of pipe in a hardware store the water does not come with. When you buy copper wire, electrons
Definition
 Are included in the wire
Term
 Immediately after two separated charged particles are released from rest, both increase in acceleration. The sign of charge of the particles is tberfore
Definition
 Opposite
Term
 The electric field between a PAIR of oppositely charged parallel plates, does it get weaker w distance inside the plate or follows the inverse square law.
Definition
 Neither of these
Term
 A capacitor can store
Definition
 Charge and energy
Term
 The electric field Inside the dome of a Van de Graff generator is zero when the dome is charged or uncharged
Definition
 Either of these
Term
 The potential energy of a compressed spring and the potential energy of a charged object both depend on
Definition
 The work done on them
Term
 The potential energy of a compressed spring and the potential energy of a charged object both depend on...
Definition
 the work done on them
Term
 to receive an electric shock there must be a
Definition
 voltage difference across part or all of your body
Term
 A 10 (0mega) resistor carries 10A. the voltage across the resistor is
Definition
 more than 10 V
Term
 If the current in the filament of a lamp is 3 A, the current in the connecting wire is
Definition
 3 A
Term
 the difference between dc and ac in electrical current is that in dc, charges flow
Definition
 in one direction
Term
 As more lamps are connected to a series circuit, the current in the power source
Definition
 decreases
Term
 In a series circuit, if the current in one lamp is 2A, the current in the lamp next to it is
Definition
 2A
Term
 As more lamps are connected in parallel in circuit, the current in the power source
Definition
 increases
Term
 In a circuit of two lamps in parallel, if the current in one lamp is 2 A , the current in the other lamp is
Definition
 Not enough information to say
Term
 an electron can be speed-ed up by
Definition
 an electric field
Term
 A motor and generator are
Definition
 similar devices
Term
 if you change the magnetic field in a closed loop of wire, what is created in the loop is a(n)
Definition
 current, voltage and an electric field.
Term
 a voltage will be induced in a wire loop when the magnetic field within that loop
Definition
 changes
Term
 a step-up transformer in an electrical circuit can step up
Definition
 voltage
Term
 compared with power input, the power output of an ideal transformer is
Definition
 the same
Term
 Electricity and magnetism connect to form
Definition
 light
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