Which of the following is high frequency transmission line ?
(a) coaxial cable
(b) open wire
(c) Twin lead
(d) All of the above
(b) open wire
(c) Twin lead
(d) All of the above
In the circuit shown, the ammeter reads 1 ampere and voltmeter 10 volts. The internal resistance of the ammeter is 1 ohm and that of voltmeter is 50 ohms. The value of R is _______.
(a) 111 .2 ohms (b) 120 ohms (c) 100 ohms (d) 112 ohms Ans: D
Comments
Post a Comment