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Current Electricity Practice Questions - Page 4

Questions 31–40 of 120 · Page 4 of 12

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Questions
120
Solutions
All inline
Q31Consider the following statements regarding electric current: Electric current is defined as the rate of flow of electric charge. The SI unit of electric current is the coulomb. Which of the above is/are correct? Option: 31MediumSolve →Q32Which of the following correctly represents Ohm’s Law? Option: 32MediumSolve →Q33Consider the following pairs: Device Function 1. Ammeter measures voltage 2. Voltmeter measures current 3. Galvanometer Detects small current Which of the above pairs is/are correctly matched? Option: 33MediumSolve →Q34Which of the following will increase the resistance of a conductor? Option: 34MediumSolve →Q35In a simple circuit with a cell, a resistor, and a closed switch: Which path does the conventional current follow? Option: 35MediumSolve →Q36Which of the following materials is used for the filament of an electric bulb? Option: 36MediumSolve →Q37Which of the following correctly defines the drift velocity? Option: 37MediumSolve →Q38Resistance of a wire is 10 ohms. If its length is doubled and area is halved, what will be the new resistance? Option: 38MediumSolve →Q39Which one of the following is the correct unit for resistivity? Option: 39MediumSolve →Q40A resistor of 6 ohms and another of 3 ohms are connected in series. What is the equivalent resistance? Option: 40MediumSolve →
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