Question : A light bulb working on an 18V battery draws a current of 3A. What will be the resistance of the bulb?

Option 1: 6Ω

Option 2: 2Ω

Option 3: 4Ω

Option 4: 3Ω

Question : If 3A = 6B = 9C, then what is A : B : C?

Option 1: $6:3:1$

Option 2: $6:3:2$

Option 3: $9:3:6$

Option 4: $9:3:1$

Question : A galvanometer can be converted into a voltmeter by connecting with it a

Option 1: high resistance in parallel

Option 2: low resistance on parallel

Option 3: high resistance in series

Option 4: low resistance in series

Question : If $(a+\frac{1}{a})^{2}=3$, then the value of $(a^{6}-\frac{1}{a^{6}})$ will be:

Option 1: 1

Option 2: 3

Option 3: 0

Option 4: 2

Question : If $x, y,$ and $z$ are the three factors of $a^3-7a-6$, then the value of $x+y+z$ will be:

Option 1: $3a$

Option 2: $3$

Option 3: $6$

Option 4: $a$

Question : The value of $4 \div 12$ of $[3 \div 4$ of $\{(4-2) \times 6 \div 2\}]-2 \times 6 \div 8+3$ is:

Option 1: $4 \frac{1}{6}$

Option 2: $3 \frac{1}{3}$

Option 3: $2 \frac{1}{3}$

Option 4: $7 \frac{1}{6}$