CBSE Class 10 class10_electricity_circuits — practice questions
17 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice CBSE Class 10 class10_electricity_circuits in the app →In a series circuit with R1 = 4 Ω and R2 = 6 Ω, total resistance is:Joule heating formula gives heat H as:For resistors in series, the total potential difference equals the:For resistors in parallel, what quantity adds to give the total?Which law is applied to derive the parallel combination result?Ohm's law can be written as R equals:Rearranged, Ohm's law gives current I equals:Joule's law says heat is proportional to the square of the:Joule's law also makes heat proportional to the:The third factor in Joule's law of heating is the:One kilowatt is equal to:One watt hour is the energy used when one watt runs for:The commercial unit of electric energy is commonly called a:One kilowatt hour equals 1000 watts multiplied by how many seconds?Two resistors of 6 ohm each in series give an equivalent resistance of:Two resistors of 6 ohm each in parallel give an equivalent resistance of:Three resistors of 3 ohm each in series give: