CBSE Class 10 Electricity — practice questions
50 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice CBSE Class 10 Electricity in the app →Electric current is defined as the rate of flow of:The SI unit of electric current is the:The SI unit of electric charge is the:The charge on a single electron is approximately:By convention, the direction of electric current is taken to be:A continuous and closed path along which current flows is called an:One ampere of current equals one coulomb of charge flowing per:Ohm's law states that, at constant temperature:The SI unit of electrical resistance is the:In a series circuit, the electric current through each component is:In a parallel circuit, the potential difference across each component is:Electric power is given by the formula:An ammeter, used to measure current, is always connected in the circuit in:The SI unit of electric current is:A charge of 60 C passes through a wire in 2 minutes. Find the current.According to Ohm's law, V = ?A bulb has a resistance of 30 Ω and operates at 6 V. Find the current.In a circuit, where is the ammeter connected and where is the voltmeter connected?Two resistors 4 Ω and 6 Ω are connected in series. Find R_total.Two resistors 6 Ω and 3 Ω are connected in parallel. Find R_total.Three resistors of 5 Ω each are connected in parallel. Find R_total.How does the resistance of a wire change if its length is doubled while area stays the same?A 12 V battery is connected across two resistors 4 Ω and 8 Ω in series. The current is:Why is nichrome used for the heating element of an electric iron rather than copper?Joule's law of heating states that H equals:The SI unit of electric power is:A 60 W bulb operates on 240 V. Find the current through it.How much energy in kWh is consumed by a 1500 W appliance running for 4 hours?Two bulbs of 60 W and 100 W are designed for 220 V. Which has higher resistance?If the current through a resistor is doubled, the heat produced in the same time becomes:What is the maximum resistance which can be made using five resistors each of $1/5\ \Omega$?What is the minimum resistance which can be made using five resistors each of $1/5\ \Omega$?Which of the following represents voltage?The resistivity does not change ifTwo resistors of resistance $2\Omega$ and $4\Omega$ when connected to a battery will haveOhm's law states that the current I through a conductor is proportional to:SI unit of electric current is:Resistance R of a uniform wire of length L and cross-sectional area A is:Two resistors of 6 Ω and 3 Ω are connected in PARALLEL. The equivalent resistance is:Two resistors 6 Ω and 3 Ω are in SERIES. Their equivalent resistance is:Heat produced in a resistor in time t (Joule's law) is:An electric bulb is marked '60 W, 220 V'. The resistance of its filament is approximately:1 kilowatt-hour (kWh), the commercial unit of electrical energy, equals:An ideal ammeter has:Resistivity of a metal as temperature increases:Among Cu, Al, Fe and Hg, the BEST conductor of electricity at room temperature is:A potential difference of 12 V drives a current of 3 A through a resistor. The resistance is:The dimension of the volt is:Domestic appliances in India are connected in:Electric fuse is a SAFETY device that: