Question
The device which converts sound energy into electrical
enemy is called βSolution
A microphone converts sound energy to electrical energy this energy level is used as an output using same energy level, amplified or it could be used to record those same energy output and pattern too be played again. Sound 'waves strike a plastic or thin metal diaphragm, causing in to move an attached coil within a strong magnetic field. The induced current duplicates the frequency of the sound wave.
- The simple interest earned on investing Rs. (80X + 2000) at simple interest of 15% p.a. for 36 months is Rs. 576 less than the total amount received on inv...
The simple interest received on a certain sum is Rs. 500 less than the sum invested. If the sum was invested at 12% p.a. for 8 years, then find the simp...
Karan invested Rs. (x + 250) in Scheme A at a simple interest rate of 25% p.a. for 2 years, and the interest received is Rs. 1000. He then invested Rs. ...
Someone puts Rs. 18,000 in a scheme offering simple interest at βx%β annually and receives Rs. 22,500 after 2.5 years. If he had instead invested Rs...
What will be the net CI on Rs. 10000 for 4 years at 10% p.a compounded annually?
Rs. 5000 when invested at simple interest of r% p.a. amounts to Rs. 6000 in 24 months. If the same sum had been invested for 1 year at compound interest...
A borrowed Rs. 5200 from B for his business. How much amount A will return to B at the end of 15 months such that the sum was borrowed at simple interes...
If Rs. 25,000 is loaned at a compound interest rate of 50% per annum, and the interest is compounded once every year, what will t...
Simple interest earned on an amount of Rs. 2700 at rate of R% per annum after 4 years is Rs. 270. Find the simple interest earned on an amount of Rs. 18...
P invests Rs. 5,500 on compound interest at 16% p.a. (compounded semiannually) for 1 year. Find the interest earned by 'P'.