Electric circuits
Quiz by nadine diab
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10 questions
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- Q1In a series circuit with a battery and three identical resistors, if one resistor fails, what happens to the current in the circuit?The current remains the sameThe current increasesThe current decreasesThe current stops flowing30s
- Q2What is the relationship between voltage, current, and resistance in an electric circuit known as?Ohm's LawAmpere's LawKirchhoff's LawFaraday's Law30s
- Q3In a parallel circuit, what happens to the total resistance as more resistors are added?The total resistance doublesThe total resistance increasesThe total resistance stays the sameThe total resistance decreases30s
- Q4What is the unit of electrical resistance?AmpereOhmWattVolt30s
- Q5What type of circuit allows multiple paths for current to flow?Parallel circuitOpen circuitClosed circuitSeries circuit30s
- Q6What is the unit of electric current?WattVoltAmpereOhm30s
- Q7In a parallel circuit, what happens to the total current when more branches are added?The total current is halvedThe total current remains the sameThe total current increasesThe total current decreases30s
- Q8What happens to the voltage across each resistor in a series circuit?It is divided among the resistorsIt remains the same across all resistorsIt increases with each resistorIt decreases to zero30s
- Q9What is the primary purpose of a resistor in an electric circuit?To store electrical energyTo increase voltageTo limit the current flowing through the circuitTo convert AC to DC30s
- Q10What is the effect of increasing the voltage in a circuit while keeping the resistance constant?The power decreasesThe current decreasesThe current increasesThe current remains the same30s