# The decimal equivalent of a Hexadecimal no. (F8E6) is

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The decimal equivalent of a Hexadecimal no. (F8E6)16 is

The decimal equivalent of a Hexadecimal no. (F8E6)16 is  (63,718)10

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Decimal equivalent of Hexadecimal number (C3B1)16 is: A) 12197 B) 32097 C) 52097 D) 50097

What is the decimal equivalent of hexa decimal no (8A6)?  (A) 1422 (B) 1242 (C) 2122 (D) 2214

Decimal equivalent of binary 1111 1111 1111 1111 is • 16,384 • 65,536 • 1000000 • None of the above.

Convert hexadecimal value 16 to decimal: - a) 2210 b) 1610 c) 1010 d) 2010

Hexadecimal number system is used as a s hand language for representing  1. decimal number 2. binary number 3.octal number 4. all the above

A NOR gate is equivalent to a bubbled AND gate. This statement is an outcome of: (1) De Morgan’s Law (2) Involution Law (3) Law of Absorption (4) Idempotent Law

Initially the number decimal 8 is stored. If instruction RAL is executed twice, the final number stored will be: (1) Decimals 8 (2) Decimal 16 (3) Decimal 32 (4) Decimal 2

In the 8421 BCD code the decimal number 125 is written as   (A) 1111101 (B) 0001 0010 0101 (C) 7D (D) None of the bove

The Octal equivalent of HEX and number AB.CD is  (A) 253.314 (B) 253.632 (C) 526.314 (D) 526.632

8 in decimal system is equal to ____ in binary system

No. of flip-flops used in decade counter (a) 3 (b) 2 (c) 4 (d) None of these

A lamp of 100W at 200V is supplied current at 100 volts. It will be equivalent to the lamp of:   a. 50W b. 40W c. 25W d. 10W

The 'h' parameter equivalent circuit of a junction transistor is valid for   (A) High frequency, large signal operation (B) High frequency, small signal operation (C) Low frequency, large signal operation.

A network consists of several inductances connected in parallel. The equivalent inductance of the network is given by (A) the sum of the individual inductances. (B) the reciprocal of the sum of the individual inductances. (C) the sum of the reciprocals of individual inductances. (D) the reciprocal of the sum of reciprocals of individual inductances.

What is the equivalent resistance of a network having 5 resistors of each 10ohm connected in parallel?  (A) 10 Ohms (B) 50 Ohms (C) 500 Ohms (D) 2 Ohms

What is the equivalent resistance of one limb A when delta connection is transformed in to star?  (A) R1R3/R1+R2+R3 (B) R2R3/R1+R2+R3 (C) R1R2R3/R1+R2+R3 (D) R1+R2+R3

What is the hexadecimal representation of (657)8 ?  (a) 1 AF (b) D 78 (c) D 71 (d) 32 F

If the no load voltage of a certain generator is 220V and the rated load voltage is 200V, then the voltage regulation is: a. 1% b. 10% c. 20V d. 9%

The armature resistance of a permanent magnet dc motor is 0.8 Ohm. At no load, the motor draws 1.5 A from a supply voltage of 25 V and runs at 1500 rpm. The efficiency of the motor while it is operating on load at 1500 rpm drawing a current of 3.5 A from the same source will be  (A) 48.0% (B) 57.1% (C) 59.2% (D) 88.8%

The inrush current of a transformer at no load is maximum if the supply voltage is switched on  (1) at peak voltage value (2) at zero voltage value (3) at half voltage value (4) at 0.866 time voltage value

The no load speed of a d.c. shunt motor is 1140 rpm. At full load, the armature reaction weakens the main flux by 5% whereas the armature circuit voltage drops by 10%. The motor full load speed in rpm will be: (A) 1080 (B) 1203 (C) 1000 (D) 1200

In case of a power transformer, the no load current in terms of rated current is (1) 10-20% (2) 15-30% (3) 2-6% (4) 30-50%

The no~load current of a single phase induction motor is around _____% of full load current.  (1) 10 (2) 20 (3) 40 (4) 80

A large transformer operating at no load draws an exciting current Io of 5A, when the primary is connected to a 120 V, 60 Hz source. From a wattmeter test, it is known that iron losses are equal to 180 W. Calculate the reactive power absorbed by the core.  (A) 600 var (B) 572 var (C) 180 var (D) 360 var

As there is no back e.m.f. at the instant of starting a D.C. motor, in order to prevent a heavy current from flowing though the armature circuit?

Equivalent capacitance ‘C’ of a system of capacitors C1,C2,C3 connected in parallel is

A current of 4 amperes flowing for 45 minutes deposits 1.062 gm of metal at cathode. Calculate the equivalent weight of the metal. (Given 1 Faraday = 96500 C)

When a dipole antenna of 1/8 length has an equivalent total resistance of 1.5 Watt then the efficiency of the antenna is   (A) 0.89159% (B) 8.9159% (C) 89.159% (D) 891.59%

The two basic components of a Thevenin equivalent ac circuit are the equivalent voltage source and the equivalent: A. Series impedance B. Series resistance C. Parallel impedance D. Parallel resistance

A star arrangement of resistances has branch resistance of 3 Ω. The equivalent delta arrangement will have resistance of values (1) 9 Ω (2) 6 Ω (3) 3 Ω (4) 1 Ω

In the equivalent circuit of a 3-phase induction motor, the mechanical load on the motor can be represented by a resistance of value (1) R2 (2) R2/S (3) R2(1-S)/S (4) (R2/S)+1

If each branch of a Delta circuit has impedance √3 Z, then each branch of the equivalent Y circuit has impedance:  (A) Z/√3 (B) 3Z (C) 3√3Z (D) Z/3

A star circuit has element of resistance R/2. The equivalent delta elements will be?

The output of a JK flip-flop with asynchronous preset and clear inputs is ‘1’. The output can be changed to ‘0’ with one of the following conditions by applying A) J = 0, K = 0 and using a clock B) J = 1, K = 0 and using the clock C) Asynchronous preset input D) J = 1, K = 1 and using the clock

The number of comparators required in a 3-bit comparator type analog to digital converter is  A) 2 B) 3 C) 7 D) 8

The output Y of a 2-bit comparator is logic 1 whenever the 2-bit input A is greater than the 2-bit input B. The number of combinations for which the output is logic 1, is  (A) 4 (B) 6 (C) 8 (D) 10