alleryStart learning →Electric current is defined as the rate of flow of:
- power
- electric charge
- voltage
- resistance
Show answer and solution
Correct answer: B. electric charge
Current is the rate of flow of electric charge: I = Q/t.
Andhra Pradesh SSC (Class 10) Effects of Electric Current — practice questions
Explore 71 free Effects of Electric Current questions in Andhra Pradesh SSC (Class 10) Science and Technology. Open each question or exercise to read its content, reference answers and available explanation.
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Electric current is defined as the rate of flow of:Read the answer and worked solution →The SI unit of electric current is the:Read the answer and worked solution →The SI unit of electric charge is the:Read the answer and worked solution →The charge on a single electron is approximately:Read the answer and worked solution →By convention, the direction of electric current is taken to be:Read the answer and worked solution →A continuous and closed path along which current flows is called an:Read the answer and worked solution →One ampere of current equals one coulomb of charge flowing per:Read the answer and worked solution →Ohm's law states that, at constant temperature:Read the answer and worked solution →The SI unit of electrical resistance is the:Read the answer and worked solution →In a series circuit, the electric current through each component is:Read the answer and worked solution →In a parallel circuit, the potential difference across each component is:Read the answer and worked solution →Electric power is given by the formula:Read the answer and worked solution →An ammeter, used to measure current, is always connected in the circuit in:Read the answer and worked solution →The SI unit of electric current is:Read the answer and worked solution →A charge of 60 C passes through a wire in 2 minutes. Find the current.Read the answer and worked solution →According to Ohm's law, V = ?Read the answer and worked solution →A bulb has a resistance of 30 Ω and operates at 6 V. Find the current.Read the answer and worked solution →In a circuit, where is the ammeter connected and where is the voltmeter connected?Read the answer and worked solution →Two resistors 4 Ω and 6 Ω are connected in series. Find R_total.Read the answer and worked solution →Two resistors 6 Ω and 3 Ω are connected in parallel. Find R_total.Read the answer and worked solution →Three resistors of 5 Ω each are connected in parallel. Find R_total.Read the answer and worked solution →How does the resistance of a wire change if its length is doubled while area stays the same?Read the answer and worked solution →A 12 V battery is connected across two resistors 4 Ω and 8 Ω in series. The current is:Read the answer and worked solution →Why is nichrome used for the heating element of an electric iron rather than copper?Read the answer and worked solution →Joule's law of heating states that H equals:Read the answer and worked solution →The SI unit of electric power is:Read the answer and worked solution →A 60 W bulb operates on 240 V. Find the current through it.Read the answer and worked solution →How much energy in kWh is consumed by a 1500 W appliance running for 4 hours?Read the answer and worked solution →Two bulbs of 60 W and 100 W are designed for 220 V. Which has higher resistance?Read the answer and worked solution →If the current through a resistor is doubled, the heat produced in the same time becomes:Read the answer and worked solution →
Worked practice questions
The SI unit of electric current is the:
- coulomb
- ohm
- volt
- ampere
Show answer and solution
Correct answer: D. ampere
The SI unit of current is the ampere (A).
The SI unit of electric charge is the:
- watt
- ohm
- coulomb
- ampere
Show answer and solution
Correct answer: C. coulomb
The SI unit of charge is the coulomb (C).
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