See Our team
Wondering how we keep quality?
Got unsolved questions? Ask Questions
Engineering GATE CBSE NCERT Psychology English Computer Constitution Astrology Yoga Economics Physics Biology Electronics Microprocessor Career Interview Anatomy Botany
An electric refrigerator rated 400 W operates 8 hour/day. What is the cost of the energy to operate it for 30 days at Rs 3.00 per kW h? -CBSE Physics 1 AnswerA household uses the following electric appliances -CBSE physics class 101 Answer Several electric bulbs designed to be used on a 220 V electric supply line, are rated 10 W. How many lamps can be connected in parallel with each other across the two wires of 220 V line if the maximum allowable current is 5 A? -CBSE Physics 1 Answer Two lamps, one rated 100 W at 220 V, and the other 60 W at 220 V, are connected in parallel to electric mains supply. What current is drawn from the line if the supply voltage is 220 V? -CBSE Physics 1 AnswerA manufacturer can produce 12000 bearings per day. The manufacturer received an order of 8000 bearings per day from a customer. The cost of holding a bearing in stock is Rs.0.20 per month. Setup cost per production run is Rs.500. Assuming 300 working1 AnswerA torch bulb is rated 2.5 V and 750 mA. Calculate (i) its power, (ii) its resistance and (iii) the energy consumed if this bulb is lighted for 4 hours. -2005 CBSE Physic class 101 AnswerAn electric motor takes 5 A from a 220 V line. Determine the power of the motor and the energy consumed in 2 h. -CBSE Physics 1 AnswerWhy is an alternating current considered to be advantageous over direct current for long range transmission of electric energy? -CBSE physics class 101 AnswerWhy are coils of electric toasters and electric irons made of an alloy rather than a pure metal? -CBSE Physics 1 AnswerAn electric iron consumes energy at a rate of 840 W when heating is at the maximum rate and 360 W when the heating is at the minimum. The voltage is 220 V. What are the current and the resistance in each case? -CBSE Physics 1 AnswerA current of 0.5 A is drawn by a filament of an electric bulb for 10 minutes. Find the amount of electric charge that flows through the circuit. -CBSE Physics1 AnswerWhy are the conductors of electric heating devices, such as bread-toasters and electric irons, made of an alloy rather than a pure metal?. -CBSE Physics 1 AnswerA takes 6 days less than B to do a work. If both A and B working together can do it in 4 days, how many days will B take to finish it? Mathematics CBSE class 10 20171 AnswerMarginal cost refers to: -CBSE Economics Class 101 Answer What are the environmental consequences of the increasing demand for energy? What steps would you suggest to reduce energy consumption? -CBSE Physics 1 AnswerWhich energy is converted into electrical energy by a solar cell ? 1 AnswerImportant of advance co-operate accounting.1 AnswerCost of a dozen pens is Rs 180 and cost of 8 ball pens is Rs 56. Find the ratio of the cost of a pen to the cost of a ball pen.-Mathematics-cbse-std 6th-Ratio and Proportion1 AnswerThe rated nozzle flow rate and volume median diameter (VMD) of droplets of a hydraulic sprayer are 1.0 L min^-1 and 200 µm, respectively at the rated pressure of 500 kPa. If the desired nozzle flow rate is 1.5 L min^-1, the droplet diameter in µm w1 AnswerWhat is the relation between marginal cost and average variable cost when marginal cost is rising and average variable cost is falling? - CBSE Class 12 Economics 20161 Answer