Fjl Flashcards

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1
Q

What is an electric circuit?

A

An electric circuit is a closed loop through which an electric current can flow.

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2
Q

True or False: In a series circuit, the current remains the same throughout the circuit.

A

True

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3
Q

What is the unit of electric current?

A

Ampere (A)

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4
Q

What is the formula for calculating resistance in an electric circuit?

A

Resistance (R) = Voltage (V) / Current (I)

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5
Q

In a parallel circuit, what happens to the voltage across each branch?

A

The voltage across each branch remains the same.

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6
Q

What is Ohm’s Law?

A

Ohm’s Law states that the current through a conductor between two points is directly proportional to the voltage across the two points.

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7
Q

What is the formula for calculating power in an electric circuit?

A

Power (P) = Voltage (V) x Current (I)

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8
Q

True or False: The total resistance in a series circuit is equal to the sum of the individual resistances.

A

True

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9
Q

What is the unit of electric potential difference?

A

Volt (V)

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10
Q

In a series circuit, how does adding more resistors affect the total resistance?

A

Adding more resistors increases the total resistance.

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11
Q

What is the relationship between voltage, current, and resistance in an electric circuit?

A

Voltage = Current x Resistance

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12
Q

What is the role of a switch in an electric circuit?

A

A switch controls the flow of current in an electric circuit by opening or closing the circuit.

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13
Q

What is the SI unit of resistance?

A

Ohm (Ω)

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14
Q

True or False: The total resistance in a parallel circuit is always less than the smallest individual resistance.

A

True

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15
Q

What is the formula for calculating current in an electric circuit?

A

Current (I) = Voltage (V) / Resistance (R)

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16
Q

What is the symbol for a resistor in an electric circuit diagram?

A

A zigzag line

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17
Q

What does a capacitor do in an electric circuit?

A

A capacitor stores and releases electrical energy in an electric circuit.

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18
Q

What is the function of a diode in an electric circuit?

A

A diode allows current to flow in one direction only in an electric circuit.

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19
Q

What is the role of a fuse in an electric circuit?

A

A fuse protects the circuit from excessive current by melting and breaking the circuit.

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20
Q

What is Kirchhoff’s voltage law?

A

Kirchhoff’s voltage law states that the sum of the voltage drops in a closed loop is equal to the applied voltage in the loop.

21
Q

What is the function of an ammeter in an electric circuit?

A

An ammeter measures the current flowing through a circuit.

22
Q

What is the symbol for a battery in an electric circuit diagram?

A

A series of long and short parallel lines

23
Q

What is the purpose of a resistor in an electric circuit?

A

A resistor limits the flow of current in an electric circuit.

24
Q

What is the role of a voltmeter in an electric circuit?

A

A voltmeter measures the voltage difference between two points in a circuit.

25
Q

What is an electric circuit?

A

An electric circuit is a closed loop through which an electric current can flow.

26
Q

True or False: In a series circuit, the current remains the same throughout the circuit.

A

True

27
Q

What is the unit of electric current?

A

Ampere (A)

28
Q

What is the formula for calculating resistance in an electric circuit?

A

Resistance (R) = Voltage (V) / Current (I)

29
Q

In a parallel circuit, what happens to the voltage across each branch?

A

The voltage across each branch remains the same.

30
Q

What is Ohm’s Law?

A

Ohm’s Law states that the current through a conductor between two points is directly proportional to the voltage across the two points.

31
Q

What is the formula for calculating power in an electric circuit?

A

Power (P) = Voltage (V) x Current (I)

32
Q

True or False: The total resistance in a series circuit is equal to the sum of the individual resistances.

A

True

33
Q

What is the unit of electric potential difference?

A

Volt (V)

34
Q

In a series circuit, how does adding more resistors affect the total resistance?

A

Adding more resistors increases the total resistance.

35
Q

What is the relationship between voltage, current, and resistance in an electric circuit?

A

Voltage = Current x Resistance

36
Q

What is the role of a switch in an electric circuit?

A

A switch controls the flow of current in an electric circuit by opening or closing the circuit.

37
Q

What is the SI unit of resistance?

A

Ohm (Ω)

38
Q

True or False: The total resistance in a parallel circuit is always less than the smallest individual resistance.

A

True

39
Q

What is the formula for calculating current in an electric circuit?

A

Current (I) = Voltage (V) / Resistance (R)

40
Q

What is the symbol for a resistor in an electric circuit diagram?

A

A zigzag line

41
Q

What does a capacitor do in an electric circuit?

A

A capacitor stores and releases electrical energy in an electric circuit.

42
Q

What is the function of a diode in an electric circuit?

A

A diode allows current to flow in one direction only in an electric circuit.

43
Q

What is the role of a fuse in an electric circuit?

A

A fuse protects the circuit from excessive current by melting and breaking the circuit.

44
Q

What is Kirchhoff’s voltage law?

A

Kirchhoff’s voltage law states that the sum of the voltage drops in a closed loop is equal to the applied voltage in the loop.

45
Q

What is the function of an ammeter in an electric circuit?

A

An ammeter measures the current flowing through a circuit.

46
Q

What is the symbol for a battery in an electric circuit diagram?

A

A series of long and short parallel lines

47
Q

What is the purpose of a resistor in an electric circuit?

A

A resistor limits the flow of current in an electric circuit.

48
Q

What is the role of a voltmeter in an electric circuit?

A

A voltmeter measures the voltage difference between two points in a circuit.