Question
Which of the following circuit elements is used to
'block' DC in an electronic circuit?Solution
A capacitor (originally known as condenser) is a passive two-terminal electrical component used to store energy in an electric field. Capacitors are widely used in electronic circuits for blocking direct current while allowing alternating current to pass, in filter networks, for smoothing the output of power supplies, in the resonant circuits that tune radios to particular frequencies, in electric power transmission systems for stabilizing voltage and power flow, and for many other purposes.
Three persons A, B and C invested different amounts in a business, which are in A.P. The amount invested by B is Rs. 2000 more than that of A. C investe...
A started a business with an investment of Rs. 1000. After some months, B joins the business with an investment of Rs.3000 and after two more months C j...
- Nikhil and Swati began a business with investments in a 5:3 ratio. After 6 months, Tarun entered the partnership with an investment equal to the average of...
- P and Q started a business by investing Rs. 24000 and Rs. 30000, respectively. After 4 months, R also joined them by investing Rs. 36000. If the annual pro...
P, Q and R invested their money in the ratio 4 : 5 : 7 respectively. The total amount invested by them was Rs. 5,90,000 and the profit earned was 40% of...
Mayank and Manoj started a business with investing capital in the ratio of 8:15. After 4 months, Mayank reduced his (1 )/(4 ) portion of the capital and...
A and B started a business with Rs 40000 and Rs 50000 respectively. After 4 months, A withdrew half of his capital. If the total profit at the end of th...
A’, ‘B’ and ‘C’ started a business by investing Rs. 8,000, Rs. 9,500, and Rs. 7,500, respectively such that ‘B’ invested for 2 months more...
P, Q, and R invested ₹1,00,000, ₹1,50,000, and ₹2,00,000, respectively, to start a business. At the end of the year, the total profit was ₹90,00...
'A' initiated a venture with an initial investment of Rs. 4000. Ten months into the business, 'B' contributed Rs. 6000, and simultaneously, 'A' added an...
