HSC Arts (English Medium) 12th Standard Board Exam - Maharashtra State Board Question Bank Solutions

Obtain the simple logical expression of the following. Draw the corresponding switching circuit.

[p ∨ ( ∼ q) ∨ (∼ r)] ∧ [p ∨ (q ∧ r)]

Obtain the simple logical expression of the following. Draw the corresponding switching circuit.

(p ∧ q ∧ ∼ p) ∨ (∼ p ∧ q ∧ r) ∨ (p ∧ ∼ q ∧ r) ∨ (p ∧ q ∧ r)

Express the following circuit in the symbolic form. Prepare the switching table:

Express the following circuit in the symbolic form. Prepare the switching table:

Simplify the following so that the new circuit has a minimum number of switches. Also, draw the simplified circuit.

Check whether the following switching circuits are logically equivalent - Justify.

(i)

(ii)

Check whether the following switching circuits are logically equivalent - Justify.

(i)

(ii)

Give alternative arrangement of the switching following circuit, has minimum switches.

Simplify the following so that the new circuit.

Represent the following switching circuit in symbolic form and construct its switching table. Write your conclusion from the switching table.

Simplify the given circuit by writing its logical expression. Also, write your conclusion.

Construct the switching circuit for the following logical statement:

(p ∨ ∼ q) ∨ (q ∧ r). Also construct the switching circuit for its simplified form.

Find the alternative arrangement using minimum switches for the following switching circuit.

If A, B, C, D are (1, 1, 1), (2, 1, 3), (3, 2, 2), (3, 3, 4) respectively, then find the volume of parallelopiped with AB, AC and AD as the concurrent edges.

Prove that the volume of a parallelopiped with coterminal edges as  ` bara ,bar b , barc `

Hence find the volume of the parallelopiped with coterminal edges  `bar i+barj, barj+bark `

If `bar c = 3bara- 2bar b ` Prove that `[bar a bar b barc]=0`

Show that the four points A(4, 5, 1), B(0, –1, –1), C(3, 9, 4) and D(–4, 4, 4) are coplanar.

Find λ, if the vectors `veca=hati+3hatj+hatk,vecb=2hati−hatj−hatk and vecc=λhatj+3hatk`  are coplanar.

Find the volume of the parallelopiped whose coterminus edges are given by vectors

`2hati+3hatj-4hatk, 5hati+7hatj+5hatk and 4hati+5hatj-2hatk`

If `bara=3hati-hatj+4hatk, barb=2hati+3hatj-hatk, barc=-5hati+2hatj+3hatk` then `bara.(barbxxbarc)=`

(A) 100

(B) 101

(C) 110

(D) 109